Evaluate the polynomial.4 - 2x + 2x2 for x = 4
A. 24
B. 18
C. 4
D. 28
Answer: D
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Solve the problem.The difference between two complementary angles is 26°. What is the measure of the larger angle?
A. 103° B. 58° C. 32° D. 64°
Solve the radical equation.
= x + 3
A. {-4} B. {-5} C. {5} D. {4}
Solve the problem.The grade resistance F of a car traveling up or down a hill is modeled by the equation F = W sin ?, where W is the weight of the car and ? is the angle of the hill's grade (? > 0 for uphill travel, ? < 0 for downhill travel). What is the grade resistance (to the nearest pound) of a 2100-lb car traveling downhill on a 5° grade (? = -5°)?
A. 183 lb B. -2105 lb C. 2105 lb D. -183 lb
Factor the sum or difference of two cubes.t3 + 729
A. (t - 729)(t + 1)(t - 1) B. (t + 9)(t2 - 9t + 81) C. (t + 9)(t2 + 81) D. (t - 9)(t2 + 9t + 81)