Function Notation Practice - 2

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

• f(x) = 21+1

• f(1) = 2 (1) + 1

• f(1) = 2x (1) + 1

Tags

CCSS.HSF.IF.A.2

If f(x) = -x + 4, find f(5).

• 9 

• 1

• -1

• -9

Tags

CCSS.HSF.IF.A.2

If f(x) = -3x - 8, find f(-1).

• f(-1) = 5

• f(-1) = -5

• f(-1) = -12

• f(-1) = -10

Tags

CCSS.HSF.IF.A.2

If f(x) = 3(6 -x), find f(-8).

• -42

• 6

• -6

• 42

Tags

CCSS.HSF.IF.A.2

If  $f\left(x\right)=3-\frac{1}{2}x$  , find  $f\left(-4\right).$  

• 5

• 2.5

• 1

• 2

Tags

CCSS.HSF.IF.A.2

If  $f\left(x\right)=\frac{1}{2}x\ -3$ , find  $f\left(12\right)$ .

• 21

• -1.5

• -2.5

• 3

Tags

CCSS.HSF.IF.A.2

If f(x) = x² - x + 3, what would the function look like once you substitute in a -3 to find f(-3)?

• f(-3) = -3² - 3 + 3

• f(-3) = (-3)² - (-3) + 3

• f(-3) = (-3)² - 3 + 3

Tags

CCSS.HSF.IF.A.2

If  $f\left(x\right)=x^2+2$ , find  $f\left(-2\right).$  

• 6

• 0

• -2

• 4

Tags

CCSS.HSF.IF.A.2

If f(x) = x² + 3, find f(-2).

• -1

• 1

• 7

• -7

Tags

CCSS.HSF.IF.A.2

If f(x) = 3 - 2x², find f(-3).

• 33

• 21

• 39

• -15

Tags

CCSS.HSF.IF.A.2