Solve. Graph the solution on a number line, and express it in interval notation.-3(4x - 12) < -15x + 9
A. x ? -9, (-?, -9]
B. x ? -9, [-9, ?)
C. x < -9, (-?, -9)
D. x > -9, (-9, ?)
Answer: C
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Find the derivative.s = t3 cos t - 14t sin t - 14 cos t
A. 
= - 3t2 sin t - 14 cos t + 14 sin t
B. 
= - t3 sin t + 3t2 cos t - 14t cos t
C. 
= - t3 sin t + 3t2 cos t - 14t cos t - 28 sin t
D. 
= t3 sin t - 3t2 cos t + 14t cos t
Solve the problem.Given that the polar equation r = 
models the orbits of the planets, estimate the closest approach of Pluto's orbit, for which 
and 
to the sun.
A. About 74 astronomical units B. About 30 astronomical units C. About 39 astronomical units D. About 50 astronomical units
Answer the question.Choose the expression that is equivalent to the following: 0 + 9a
A. 9a B. -9a C. 0 D. 9 + a
Consider the language that consists of all strings of a’s and b’s in which the second character from the beginning is a b. Find a regular expression that defines this language.
What will be an ideal response?