1.1 3 Quiz What Is A Function Apex Answers

Question: if f(x)=(3+x)/(x-3) what is f(a+2)

Answer: a+5/a-1

Question:

Answer: C) E(n) = 5n + 42

Question: if f(x)=2x^2+5sqrt(x-2) f(6)

Answer: 82

Question: Here is a table of values for y = f(x).

x -5 -3 0 2 6 7 9 10 13

f(x) 1 2 3 0 1 2 3 0 1

Mark the statements that are true.

A. The range for f(x) is all real numbers.

B. The domain for f(x) is the set {-5, -3, 0, 2, 6, 7, 9, 10, 13}.

C. f(0) = 10

D. f(-3) = 2

Answer: B and D

Question: the amount of energy it takes to lift a box might be a function of which of the following

Answer: the weight of objects in the box

Question: The amount of time it takes to finish a race might be a function of which of the following?

A. The distance of the race

B. The number of people involved in the race

C. The entry fee for the race

Answer: A

Question: here is a table of values for y=f(x0

x:0,5,10,15,20..

f(x):5,6,6,8,9,10…

Answer: f(15)=8

f(5)=6

Question:

Answer: A and C

Question: graph with straight line through -5

mark all statements that are true

Answer: the domain for this function is all real numbers

the range for this function is the set {-5}

Question: If f(x) = 3x + 5/x, what is f(a + 2)?

Answer: B) 3(a+2) + 5/a+2