Solve the equation.log2x = 5
A. {25}
B. {2.32}
C. {32}
D. {10}
Answer: C
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Find an equation for the sphere with the given center and radius.Center (0, -9, -6), radius = 4
A. x2 + y2 + 4z2 + 18y + 12z = -101 B. x2 + y2 + z2 + 18y - 12z = -101 C. x2 + y2 + z2 + 18y + 12z = -101 D. x2 + y2 + 4z2 + 18y - 12z = -101
Solve.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by 
and the total cost function is given by 
where x represents the number of boxes of computer chips produced. The total profit function, P(x), is such that 
Find P(x).
A. P(x) = -0.3x2 + 40x - 15 B. P(x) = 0.3x2 + 40x - 30 C. P(x) = -0.3x2 + 31x + 15 D. P(x) = 0.3x2 + 31x - 45
Solve using the elimination method. Use a graphing calculator to check your answer. 2x + 8y = 10 4x = 8 - 16y
A. (7, 9) B. (-3, 2) C. (-3, 9) D. No solution
Use an analytic method to solve the equation.
- 
= 1
A. {-3, -1} B. {3, -1} C. {3} D. ?