2/7 Class Opener

Find the inverse of f(x) = -4x - 12

• f^-1(x) = 4x - 3
• f^-1(x) = -1/4x - 3
• f^-1(x) = 1/4x + 3
• f^-1(x) = -4x - 3

Tags

CCSS.HSF-BF.B.4A

Was the inverse function found correctly?

• Yes

Tags

CCSS.HSF-BF.B.4A

Are the blue and red graphs inverse functions?

• Yes, the functions reflect over y = x

• No, they do not reflect over the x - axis.

• No way to tell from a graph

Tags

CCSS.HSF-BF.B.4B

In an inverse function, the _____ and _______ are switched from the original

• f(x) and g(x)
• input and output
• positives and negatives
• slope and intercept

Tags

CCSS.HSF-BF.B.4C

Will the inverse of this function be a function?

• Yes
• No
• No way to tell

are these inverse functions?

• no
• yes
• no way to tell

Tags

CCSS.HSF-BF.B.4B

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

When f(x) = 2x and g(x) = x²+3 , find f(g(x)).

• x²+2x+3
• 4x²+3
• 2x²+3
• 2x²+6

Tags

CCSS.HSF-BF.A.1C

p(x) = 3x + 4
q(x) = 2x²
Find q(p(-2))

• 8
• -8
• 28
• None of these.

Tags

CCSS.HSF-BF.A.1C

Use the horizontal line test to determine whether the inverse of the graph is a function.

• Function

• Not a Function