Determine whether the value of x = -2 is a solution of the equation.
?

?
A. Yes
B. No
Answer: A
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Find the derivative of y with respect to x, t, or ?, as appropriate.y =
A.
B.
C.
D.
Find the circumference of the circle. Use ? ? 3.14 and round to the nearest hundredth.diameter = 11 ft
A. 69.08 ft B. 34.54 ft C. 17.27 ft D. 379.94 ft
Solve the problem.The fixed cost for producing an item is $430. 10 items cost $1610 to produce. Express the total cost C(x) in terms of x, the number of items produced.
A. C(x) = 236x + 430 B. C(x) = 118x + 430 C. C(x) = 236x + 1610 D. C(x) = 118x + 1610
Determine the largest open intervals of the domain over which the function is increasing, decreasing, and constant.
A. Increasing for all reals; Decreasing never B. Increasing (0, ?); Decreasing (-?, 0) C. Increasing never; Decreasing for all reals D. Increasing (-?, 0); Decreasing (0, ?)