Solve the problem.A rectangular garden measures 12.6 meters by 53.5 meters. What is its area?
A. 564.10 m2
B. 674.10 m2
C. 66.1 m2
D. 6741.0 m2
Answer: B
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Factor completely. If the polynomial cannot be factored, write "prime."14x2 + 63x - 35
A. 7(2x + 1)(x - 5) B. 7(2x - 1)(x + 5) C. (14x - 7)(x + 5) D. (2x - 1)(7x + 35)
Solve the problem.Suppose that a hair dryer operates on a voltage that can be represented by the relation and that it draws a current represented by the relation
where t is time measured in seconds. The power consumed by the appliance is P = VI. Graph the power in
by
and use an identity to write the expression for the power in the
form where a, k, and d are constants.
A. P = 640 cos(240?t) + 640
[0, 0.04, 0.01] by [-200, 2000, 200]
B. P = 1280 cos(240?t) + 1280
[0, 0.04, 0.01] by [-200, 2000, 200]
C. P = 640 cos(120?t) + 640
[0, 0.04, 0.01] by [-200, 2000, 200]
D. P = -640 cos(240?t) + 640
[0, 0.04, 0.01] by [-200, 2000, 200]
State the end behavior of the graph of f.f(x) = 0.2x5 - 4x2 + 9
A. Down on left side, up on right side B. Down on both sides C. Up on left side, down on right side D. Up on both sides
Use the remainder theorem to find the remainder when f(x) is divided by the given x - k.f(x) = 3x3 + 3x2 - 7x + 3; x + 2
A. -82 B. -23 C. -53 D. 5