Give the exact value.cot 30°
A. 
B. 1
C. 
D. 
Answer: D
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Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. No x-intercepts, no y-intercepts ;
B. x-intercept: (0, 0) , y-intercept: (0, 0) ;
C. No x-intercepts, y-intercept: (0, -1) ;
D. x-intercept: (0, 0) , y-intercept: (0, 0) ;
Estimate the answer to the problem.James' drive from home to work is 32 miles one way. If in a month he goes to work 19 days, then how many miles does he drive going from home to work and back in one month?
A. 1750 B. 1200 C. 1500 D. 900
Factor the binomial completely. If it is prime, say so.x4 - 81
A. (x + 3)2(x - 3)2 B. (x2 + 9)(x + 3)(x - 3) C. (x2 - 9)(x + 3)(x - 3) D. Prime
Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by y = 
. What is the cost per ton for x = 20?
A. $7800.00 B. $471.01 C. $25.00 D. $8125.00