Solve the equation.(m2 - 40)1/4 + 4 = 7
A. {22, -22}
B. {11, -11}
C. ?
D. {-11}
Answer: B
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Provide an appropriate response.A horizontal beam safely supports a load P that varies jointly as the product of the width W of the beam and the square of the depth D and inversely as the length L. A beam that has a width of 8 in, depth of 12 in. and a length of 36 in. can safely support 1,792 lb. Determine the safe load in pounds of a beam made from the same material if the beam is 105 in. long.
A. 1,382.4 lb B. 921.6 lb C. 614.4 lb D. 56 lb
Find the instantaneous rate of change of the function 
when x=3.
a. 1/3 b. 3 c. 9 d. 1/2
Solve the inequality. Write the solution in interval notation and graph the solution set.8 - 3(2 - x) ? -7
A. [-3, ?)
B. (-?, -2]
C. (-?, -3)
D. (-?, -3]
The amount P is deposited in an account giving R% annual interest compounded n times a year. Find the amount A in the account after t years.P = $4000, R = 10%, n = 4, t = 1
A. $5856.40 B. $4203.78 C. $4415.25 D. $4862.03