Applying and analysing functions

Based on the image, what is f(3)?

• 1

• 2

• -3

• -4

 $f\left(x\right)\ =\ x^2\ -\ x$  

 $Find\ f\left(-4\right)$  

• 20

• 16

• 12

• 8

Complete the operation and evaluate.

Mathematical Equivalence

ON

What is f(6)?

• 3

• -2

• 0

• Error (Nonreal)

What is

 $f\left(2\right)$  ?

 $f\left(x\right)\ =-3x\ +2$  

Given the function above, what is the value of f(-2)?

Consider the function k(x)=x/5-3.  Find k(-20).

• -20
• 1
• -7
• -1

Evaluate the function f(x)=2x+5 for f(3)

If f(x)= 9x²+2x-3, find f(-1).

• -4

• 14

• -14

• 4

Given g(x) =
 4x - 7, find g(-9). 

• g(-9) = 29
• g(-9) = -43
• g(-9) = -29

• g(9) = -43