Benchmark Quarter 1

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {-4, -3, 1} R: {-4, 0, 1, 2}

• D:{-4, 0, 1, 2} R:{-4, -3, 1}

• D:{0, 1, 2, 3, 4} R:{-4, -3, 1}

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

• Sometimes

 $Given\ h\left(x\right)=3x^2-2x+8\ what\ is\ h\left(2\right)?$  

• 13

• 8

• 16

• answer not here

For what value of x does f(x) = -2?

• 0
• -5
• 3
• -3

Given the following ordered pairs, find x if g(x) = 5

g(x): {(0, 5), (3, 4), (5, 3)}

• 3

• 0

• 4

• 5

f(x) = 2x and g(x) = 2x-7

Find (f-g)(4).

• 0

• -9

• 7

• -8

When f(x) = x²+9 and g(x) = x-9, find f(x)-g(x). 

• x²+x+9
• x²-x+9
• x²-x
• x²-x+18

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

• 11x² - 1
• 5x⁴ + 6x² - 1
• 5x² + 6x - 1
• 5x² + 8x - 1