N/A — Exam Answers

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What are the values of h and k ?

A
h is equal to negative 4 k is equal to negative 2
B
h is equal to negative 4 k is equal to 2
C
h is equal to 4 k is equal to negative 2
D
h is equal to 4 k is equal to 2
42
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Choose the function that represents the data.

A
y is equal to negative 0 point 5 x squared plus 100
B
y is equal to negative x over 0 point 5 plus 100
C
y is equal to negative 0 point 5 x plus 100
D
y is equal to negative x raised to the 0 point 5 power plus 100
43

What is the range of open paren g circ f close paren times x ?

A
all real numbers except y is equal to negative 3
B
all real numbers except y is equal to 0
C
all real numbers except y is equal to 3
D
all real numbers
44

Which insect population is growing at a faster rate?

A
The ant colony is growing at a faster rate. It will multiply by 3 point 8 each week while the bee hive will add 3 point 8 each week.
B
The bee hive is growing at a faster rate. It will multiply by 3 point 8 each week while the ant colony will add 3 point 8 each week.
C
The ant colony is growing at a faster rate. It will add 3 point 8 each week while the bee hive will subtract 3 point 8 each week.
D
The bee hive is growing at a faster rate. It will add 3 point 8 each week while the ant colony will divide by 3 point 8 each week.
45

Which function has the greater slope and what does it indicate?

A
The cauliflower function has the greater slope, which shows that the cost per pound of cauliflower is greater than the cost per pound of broccoli.
B
The cauliflower function has the greater slope, which shows that the cost per pound of cauliflower is less than the cost per pound of broccoli.
C
The broccoli function has the greater slope, which shows that the cost per pound of broccoli is less than the cost per pound of cauliflower.
D
The broccoli function has the greater slope, which shows that the cost per pound of broccoli is greater than the cost per pound of cauliflower.
46

What is the domain of the function?

A
x is less than 0
B
x is greater than 0
C
x is less than 1
D
all real numbers
47

Choose the function that represents the triangular numbers.

A
y is equal to x over 0 point 5 plus 0 point 5 x
B
y is equal to 0 point 5 to the x th power plus 0 point 5 x
C
y is equal to 0 point 5 x squared plus 0 point 5 x
D
y is equal to 0 point 5 x plus 0 point 5
48

What is the range of open paren f circ g close paren times x ?

A
all real numbers except y is equal to negative 3
B
all real numbers except y is equal to 0
C
all real numbers except y is equal to 3
D
all real numbers
49

Which function represents the value of a computer after t years?

A
f of t is equal to 1,600 minus 226 point 1 6 t
B
f of t is equal to 1,600 times 0 point 2 to the t th power
C
f of t is equal to 1,600 times 0 point 8 to the t th power
D
f of t is equal to 1,600 minus 320 t

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