Solve the problem.Given the cost function, C(x), and the revenue function, R(x), write the profit function from producing and selling x units of the product. C(x) = 59x + 1430 R(x) = 70x
A. P(x) = -11x + 1430
B. P(x) = 11x - 1430
C. P(x) = -11x - 1430
D. P(x) = 11x + 1430
Answer: B
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Find the derivative.y = 
+ 
A. y ' = 2 cos x - csc2 x B. y ' = 2 csc x cot x - sec2 x C. y ' = - 2 csc x cot x + sec2 x D. y ' = 2 csc x cot x - csc2 x
Give two parametric representations for the equation of the parabola.y = (x + 3)2 - 10
A. x = t, y = (t - 3)2 - 10 for t in (-?, ?); x = t + 3, y = t2 - 10 for t in (-?, ?) B. x = t, y = (t - 3)2 + 10 for t in (-?, ?); x = t - 3, y = t2 - 10 for t in (-?, ?) C. x = t, y = (t + 3)2 - 10 for t in (-?, ?); x = t - 3, y = t2 - 10 for t in (-?, ?) D. x = t, y = (t + 3)2 - 10 for t in (-?, ?); x = t + 3, y = t2 - 10 for t in (-?, ?)
Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 14 terms of the geometric sequence: 
, - 
, 
, - 
, 
, . . . .
A. - 
B. - 
C. - 
D. - 
Evaluate the expression.2251/2
A. 60 B. 30 C. 7.5 D. 15