Find the value of the polynomial function.f(x) = 9x2 + 5x; f(4)
A. 153
B. 144
C. 56
D. 164
Answer: D
Mathematics
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If you have the following function, f ( x ) = -x 2 - 5x + 4, compute f (3), f (-2), f (5), f (-4).
A. f (3) = 0, f (-2) = 21, f (5) = 6, f (-4) = 43 B. f (3) = –2, f (-2) = 18, f (5) = 4, f (-4) = 40 C. f (3) = 1, f (-2) = 20, f (5) = 7, f (-4) = 42 D. f (3) = –1, f (-2) = 19, f (5) = 5, f (-4) = 41 E. f (3) = –3, f (-2) = 16, f (5) = 2, f (-4) = 39
Mathematics
Find the quotient using long division.
A. x + 6 - 
B. x + 6 + 
C. x + 7
D. 
Mathematics
A room light can be controlled by a switch at either end of the room. This circuit is best described as a ________ circuit.
a. AND b. OR c. NOR d. NAND
Mathematics
Factor by grouping.5a3 - 15a2 + 9a - 27
A. (5a2 - 3)(a + 9) B. (5a2 + 9)(a - 3) C. (5a2 + 1)(9a - 3) D. (5a + 9)(a2 - 3)
Mathematics