AnswersFL-1200370-Algebra 1-A Semester 2 Adult Credit Course SY2526Unit Test

Unit Test — Unit test Answers

13 verified answers
1
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Which of the following best describes how the y values are changing over each interval?xy122438416532

A
They are increasing by 2 each time.
B
They are increasing by 4 each time.
C
They are being multiplied by 2 each time.
D
They are being multiplied by 4 each time.
2
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Which describes the range of the parent absolute value function?

A
{y | y is a real number}
B
{y | y is an integer}
C
{y|y > 0}
D
{y|y < 0}
3

The graph of f(x) = |x| is transformed to g(x) = |x + 1| – 7. On which interval is the function decreasing?

(
(–∞, –7)
(
(–∞, –1)
(
(–∞, 1)
(
(–∞, 7)
4

On a coordinate plane, an absolute value graph has a vertex at (negative 4, negative 2).

Question illustration
A
g(x) = |x + 4| – 2
B
g(x) = |x – 4| – 2
C
g(x) = |x – 2| – 4
D
g(x) = |x – 2| + 4
5

Which times and distances are represented by the function? Select three options.

A
The starting distance, at 0 hours, is 300 miles.
B
At 2 hours, the traveler is 725 miles from home.
C
At 2.5 hours, the traveler is still moving farther from home.
D
At 3 hours, the distance is constant, at 875 miles.
E
The total distance from home after 6 hours is 1,062.5 miles.
6

The function g(x) is defined as shown.

Question illustration
A
−2
B
−1
C
3
D
6
7

Which is the graph of g(x)?g(x) =

Question illustration
A
Option
B
Option
C
Option
D
Option
8

Rick put his $200 into a simple interest account at 3.25% interest. Julian put his $200 into a compound interest account that gives 3% interest compounded annually. The table below shows their yearly balance after interest has been applied. BalanceRickJuliandeposit200200Year 1206.50206.00Year 2213.00212.18Year 3219.50218.55Year 4226.00225.11Year 5232.50231.85Year 6239.00238.81Year 7245.50245.97Year 8252.00253.35Year 9258.50260.95Year 10265.00268.78Which statements are true about their balances? Select four options.

A
After 10 years, Rick has a larger balance than Julian.
B
Julian accumulated $3.78 more in interest after 10 years.
C
Julian’s bank pays greater interest if he keeps his money in the bank for more than seven years.
D
Julian’s balance increases by the same amount each year.
E
Julian’s bank pays greater interest if he keeps his money in the bank for less than seven years.
F
Rick’s balance increases by the same amount each year.
G
After five years, Rick has a larger balance than Julian.
H
Julian accumulated $0.65 more interest after five years.
10

Over which interval are the exponential and linear function approximately the same?

Question illustration
A
from 0.25 to 0.5
B
from 0.5 to 0.75
C
from 0.75 to 1.0
D
from 1.25 to 1.5
11

Question text not available

Question illustration
B
Both the domain and range of the transformed function are the same as those of the parent function.
N
Neither the domain nor the range of the transformed function are the same as those of the parent function.
T
The range of the transformed function is the same as the parent function, but the domains of the functions are different.
T
The domain of the transformed function is the same as the parent function, but the ranges of the functions are different.
12

The graph represents the cost of catering a dinner as a function of the number of guests.

Question illustration
A
$400
B
$600
C
$700
D
$800
13

Adita has two options for how to invest $1,000.Plan A: Put the $1,000 in an account that pays $100 per year.Plan B: Put the $1,000 in an account that pays 5 percent interest per year.Which statement is true?

A
Plan A will be worth more than plan B after two years.
B
Plan A will be worth the same amount as plan B after one year.
C
Plan B will be worth more than plan A after three years.
D
Plan B will be worth more than plan A after four years.
14

two

T
The function g(x) is defined for all real numbers x.
T
The maximum value of the range is 4.
T
The maximum value of the domain is 3.
T
The range of g(x) is {y| –1 < y ≤ 4}.
T
The domain of g(x) is {x| –4 < x ≤ 3}.
15

Melanie invests $4,000 into an account offering 4% interest compounded annually. Gina invests $4,000 into a simple interest savings account offering a 4.5% interest rate. What is the dollar amount of the greater balance at the end of five years? Round to the nearest dollar. Use the formula for compound interest; Use the formula for simple interest.

Question illustration
Answer not available

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