PC Midterm Practice

What are the local maxima of this graph?

• local maximum at 3.9

• local maximum at 5

• local maximum at -8 and 2.2

• local maximum at 5 and 3.9

Tags

CCSS.HSA.REI.D.10

What is the ABSOLUTE max of this graph?

• y = 3.9 at x = 2.2

• y = 5 at x = -8

• y = -8 at x = 2.2 and y = -5 at x = -8

• $\infty$

• There is no absolute maximum

Tags

CCSS.HSA.REI.D.10

When is this function increasing?

• (−2.5 , 2.5)

• (0, 5)

• (0, 55)

• (−5 , 0)

Tags

CCSS.HSF-IF.C.7A

What is the Domain of the Function  $f\left(x\right)=\frac{x-4}{\sqrt{x-3}}$  

• ( $-\infty$ , 3) U (3,  $\infty$ )

• (3,  $\infty$  )

• [3,  $\infty$  )

• ( $-\infty$ , 3) U (3, 4) U (4,  $\infty$ )

What is the range of this function?

• (-∞,+∞)
• (-4,2]
• (-∞,2]
• [2,-∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain of this function?

• (-∞,+∞)
• (-5,3)
• [-3,+∞)
• (-3,+∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Find the inverse of f(x) = -3x²+5

• 
• 
• 
• 

Tags

CCSS.HSF-BF.B.4D

Find f and g so that h(x) = f(g(x)).

• 
• 
• 
• 

Tags

CCSS.HSF-BF.A.1C

To prove two functions are inverses of each other, both f(g(x)) and g(f(x) should equal...

• 1

• x

• 0

• y

Tags

CCSS.HSF-BF.B.4B

What is the limit?

• Infinity
• 20
• DNE
• 12

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.1