Find and simplify the difference quotient
for the given function.f(x) = 6x2
A.
B. + x + 6h
C. 6
D. 6(2x+h)
Answer: D
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For a certain group of animals, the running speed , in feet per second, is a linear function of the length
, in inches.The relationship is
.
Identify the slope, and explain in practical terms what it means.
What will be an ideal response?
Evaluate using factoring.
A. 5
B. 55
C.
D. 0
Solve the application. Write an expression to describe the situation and simplify the expression for the final answer.Nikki is fishing from a bank 18 feet above water level. In this location, the fish tend to feed at 40 feet below the surface. How long must Nikki's fishing line be to reach the fish?
A. 18 - (-40) = 58; Nikki's fishing line must be 58 feet long. B. 18 - (-40) = -18; Nikki's fishing line must be -18 feet long. C. 18 - (40) = -22; Nikki's fishing line must be -22 feet long. D. 18 - (40) = 22; Nikki's fishing line must be 22 feet long.
Perform the indicated operations. Write the resulting polynomial in standard form.(2x2 + 4x + 7) + (2x2 + 9x + 3) - (5x + 2)
A. 4x2 + 8x + 12 B. 2x2 + 8x + 12 C. 2x2 + 8x + 8 D. 4x2 + 8x + 8