Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.4x2 < 3x + 1
A. 
B. (-?, -1) ? 
C. 
? (1, ?)
D. 
Answer: A
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Solve the problem.If f(x) = 3x3 + 6x2 - x + C and f(3) = 1, what is the value of C?
A. C = 25 B. C = 139 C. C = 31 D. C = -131
Use the rules of exponents to simplify the expression. Use positive exponents to write the answer.
A. x37
B. 
C. 
D. x12
Use the power-reducing identities to rewrite the expression that does not contain trigonometric functions of power greater than 1.sin x (2 cos2 x - 1)
A. sinx cos 2x B. sin 2x C. cos 2x D. cos x sin 2x
Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 112 ft/sec, and the gorge is 192 ft deep, during what interval can the flare be seen? (h = -16t2 + vot + ho.)
A. 3 < t < 4 B. 0 < t < 3 C. 6 < t < 7 D. 9 < t < 10