Unit 7 Lessons 1 - 3 Review

Are the relations inverses?

• yes

• no

Tags

CCSS.HSF-BF.B.4B

Are the graphs inverses?

• yes

• no

Tags

CCSS.HSF-BF.B.4B

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

Find the inverse.

• 
• 
• 
• 

Tags

CCSS.HSF-BF.B.4A

TRUE OR FALSE:

If the DOMAIN of a function is (-∞, 2], then the DOMAIN of the INVERSE function will also be (-∞, 2].

• false

• true

Tags

CCSS.HSF-BF.B.4C

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x
• y = 15(1.35)^x
• y = 15(0.35)^x
• y = 35(1.15)^x

Tags

CCSS.HSF.LE.A.2

Pick the equation that is exponential decay

• y=2000(0.88)
• y=0.5(1.88)
• y=-4x
• y= -7+10x

Tags

CCSS.HSF.LE.A.1

Pick the equation that is exponential growth

• y=2(0.5)^x
• y = 0.5(2)^x
• y = .5x - 2
• y = 2x + .5 

Tags

CCSS.HSF-LE.A.1A

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

• y=8(15,000)^x
• y=15,000(1.08)^x
• y=15,000(0.92)^x
• y=15,000(0.08)^x

Tags

CCSS.HSF.LE.A.2

In an exponential function, what does the 'b' represent? 

• SLOPE
• RATE OF CHANGE
• INITIAL AMOUNT
• GROWTH OR DECAY  FACTOR

Tags

CCSS.HSF-IF.C.8B