Unit Test — Cumulative exam

Question 1

two

Revolt · Accepted Answer

The maximum value of the range is 4.; The range of g(x) is {y| –1 < y ≤ 4}.

Question 2

The variables X, Y, and Z represent polynomials where X = a, Y = 3a – 5, and Z = a2 + 2. What is X2Y – Z in simplest form?

Revolt · Accepted Answer

3a3 – 6a2 – 2

Question 3

The step function g(x) is defined as shown.g(x) = What is the range of g(x)?

Revolt · Accepted Answer

{–3, 2, 5}

Question 4

The graph shows the relationship between the price of frozen yogurt and the number of ounces of frozen yogurt sold at different stores and restaurants.

Revolt · Accepted Answer

13

Question 5

The table shows the probabilities of certain prizes in a restaurant’s contest where the first 100 customers are winners.

Revolt · Accepted Answer

It increases the mean value of the prizes.

Question 6

The conditional relative frequency table below was generated by column using data comparing gender and a person's favorite meal to cook.Which would most likely indicate an association between the categorical variables?

Revolt · Accepted Answer

The value of B is not similar to the value of C.

Question 7

Which statement is true about the polynomial –3x4y3 + 8xy5 – 3 + 18x3y4 – 3xy5 after it has been fully simplified?

Revolt · Accepted Answer

It has 4 terms and a degree of 7.

Question 8

Which translation maps the graph of the function f(x) = x2 onto the function g(x) = x2 − 6x + 6?

Revolt · Accepted Answer

right 3 units, down 3 units

Question 9

two

Revolt · Accepted Answer

The equation for the line of best fit is not a good approximation for the data because the points have a curved pattern.; The residual plot has the pattern of a curve.

Question 10

If g(x) = 2 − 1, what is g(−2.3)?

Revolt · Accepted Answer

-7

Unit Test — Cumulative exam Answers

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