Find the value for the function.Find f(-x) when f(x) = -2x2 + 3x + 3.
A. -2x2 - 3x + 3
B. 2x2 - 3x - 3
C. 2x2 - 3x + 3
D. -2x2 - 3x - 3
Answer: A
Mathematics
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Solve the problem.Find the equation of the surface that results when 9x2 + 6y2 = 11 in the xy-plane is revolved about the y-axis.
A. 9x2 + 9y2 + 9z2 = 11 B. 9x2 + 6y2 + 9z2 = 11 C. 6x2 + 6y2 + 6z2 = 11 D. 6x2 + 9y2 + 6z2 = 11
Mathematics
Answer the question.Consider the numbers 7, 
, -9, 0, 0.
, 
, 
. Which are natural numbers?
A. 7
B. 7, 0
C. 7, 0, 
D. 7, 
Mathematics
Simplify the difference.(4y + 20) - (-4y + 11)
A. 8y + 31 B. 17y C. -8y - 9 D. 8y + 9
Mathematics
Divide to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.3
÷ 
A. 18
B. 17
C. 19
D. 20
Mathematics