PreCal Unit 1

Evaluate f(-2) if f(x) = x²+ 3

• -1
• 1
• 7
• -7

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

• 7
• -2
• -9
• -10

f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f - g)(x).

• x² + 8x + 1
• x² + 6x - 1
• 5x² + 8x - 1
• x² + 8x -1

What is the domain of:

• All real numbers
• x ≠ -5/9
• (infinity , -5/9 ] 
• [ -5/9 , infinity ) 

What is the domain of : 

• x > -2 
• x ≠ -2
• x ≠ 2
• x > 2

p(x) = 3x + 4
q(x) = 2x²
Find p(q(x))

• 10x²
• 18x² + 4
• 6x² + 4

Tags

CCSS.HSF-BF.A.1C

Which graph is not a function? 

• Graph 1
• Graph 2
• Graph 3
• Graph 4

What are the zeros of the function?

• ( 0,0)

• (-1,0) ( 0,0 ) (1,0) (2,0)

• (-1,0) ( 1, 0)

• (-1,0) (1,0) (2,0)

Where is the function increasing?

• ( -1 , 1 )

• ( - inf , -2 ) ( 0 , 2 )

• (-2, 0 ) ( 2, + inf )

• ( -2 2 )

Where do you find relative minimums and relative maximums?

• zeros
• y-intercepts
• turning points
• by degree

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7