Simplify the expression.10log(t)
A. 10t
B. t
C. 1
D. 10t
Answer: B
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Replace the polar equation with an equivalent Cartesian equation.r2 = 38r cos ?
A. x = 38 B. x2 + (y - 19)2 = 361 C. (x - 19)2 + y2 = 0 D. (x - 19)2 + y2 = 361
A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 6, an+1 = (-1)nan
A. -6, 6, -6, 6, -6 B. 6, 6, -6, -6, 6 C. 6, -6, -6, 6, 6 D. 6, -6, 6, -6, 6
Evaluate the expression without using a calculator.- 
A. 4 B. -8 C. -16 D. -4
Solve.The distance that an object falls when it is dropped varies directly as the square of the amount of time since it was dropped. An object falls 39.2 meters in 2 seconds. Find the distance the object falls in 5 seconds.
A. 10 meters B. 245 meters C. 49 meters D. 98 meters