Composition of Linear Functions: Find an Equation

• Inverse Functions
• Not Inverse Functions

Tags

CCSS.HSF-BF.B.4B

Which expression represents g(f(x)) if          f(x) = 2x - 8
and
g(x) = 4x

• 8x - 32

• 8x² - 32x

• 8x - 8

• 6x - 8

Tags

CCSS.HSF-BF.A.1C

• 7
• 6
• 11
• None of the Above

Tags

CCSS.HSF-BF.A.1C

f(g(x))

• 3x - 16

• 3x - 2

• 3x - 26

• 4x - 2

Tags

CCSS.HSF-BF.A.1C

Write the EQUATION (including the "y=") of a linear function that has a slope of 3 and passes through the coordinate (2, 1)

Mathematical Equivalence

ON

The graph of a linear function passes through the points (-1, -1/4) and (1, -3/4).

Which equation represents the function?

• 
• 
• 
• 

Write the equation of the linear function in the form y = mx + b.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write the EQUATION (including the "y=") of a linear function that has a slope of 5 and y-intercept of 2.

Mathematical Equivalence

ON

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

f(x) = 3x + 10
g(x) = x - 2
Find g(f(x))

• 3x + 8

• 3x - 2

• 3x + 4

• None of these.

Tags

CCSS.HSF-BF.A.1C

g(x)=3x+4
h(x)=3x-1
Find g(h(x))

• -9x+11

• 4x²+4x

• 9x+1

• 9x+11

Tags

CCSS.HSF-BF.A.1C