Evaluate Functions

The equation below represents an elevator's height after an amount of seconds. Using this equation, what should the height of the elevator be after 14 seconds?
y = -3.8x + 290

• 80

• 236.8

• -80

• 72.6

What is f(−4) for the function f?

f(x) = 2x + 3

• -5

• -4

• -2

• -7

Tags

CCSS.HSF.IF.A.2

What is f(5) for the function f?

f(x) = 2(x - 7)

• 3

• -4

• -3

• 1

Tags

CCSS.HSF.IF.A.2

Evaluate y = x + 5 when x = 3.

• 8

• 2

• 9

• 6

Tags

CCSS.6.EE.A.2C

Evaluate y = 7x when x = -5

• -35

• 35

• 2

• 75

Tags

CCSS.6.EE.A.2C

Evaluate f(-2) if f(x) = x+3

• -1

• 1

• 5

• -5

Tags

CCSS.HSF.IF.A.2

Given 
f(x)= 2x² + 5x - 17, find f(-1). 

• f(-1) = -20

• f(-1) = -24

Tags

CCSS.HSF.IF.A.2

For what value of x does f(x) = -2?

• 0

• -5

• 3

• -3

Tags

CCSS.HSF.IF.A.2

What is the range of the relation shown on the mapping diagram?

• R:{3, 5, 8}

• R:{-7, 11}

• R:{3, 5, 8, 12}

• R:{all real numbers}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the value of f(0)?

• -2

• 2

• 4

• 0

Tags

CCSS.HSF.IF.A.2