Solve the problem.For the function f(x) = 2x + 
, solve f(x) = 7.
A. x = 
B. x = -3 or x = 2
C. x = 
or x = 3
D. x = 7 or x = 2
Answer: C
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Find the probability.A bag contains 19 balls numbered 1 through 19. What is the probability of selecting a ball that has an even number?
A. 9
B. 
C. 
D. 
Solve the problem.The cost of manufacturing clocks is given by c = 25(n + 9)1/2, where c is the cost in dollars and n is the number produced. What is the cost when no clocks are produced?
A. $15 B. $75 C. $25 D. $225
Divide.
÷ 
A. - 
B. - 6
C. 
D. - 
Solve the problem.A set of plastic cubes of successively decreasing size is manufactured such that the side length of each cube is one half the length of the next largest cube. If the largest cube has a side length of 10 units, calculate the total volume of a set of 9 cubes.
A. 18 cubic units B. 1000.00 cubic units C. 1142.86 cubic units D. 0.87cubic units