Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20
B. 100
C. 10
D. 500
Answer: C
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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = (x - 4)2 
A. 
B. 
C. 
D. 
The bar graph shows the number of new residents in several towns during the years 1999 to 2001. Use the graph to answer the question. 
During the period 1999-2001, how many more new residents were there in Crawley than in Hatsburg?
A. 186 B. 199 C. 182 D. 208
Factor completely. If the polynomial is prime, state this.8a6 - 32a3b
A. 8(a6 - 4a3b) B. 8(a3 - 2b)(a3 + 2b) C. a3(8a3 - 32b) D. 8a3(a3 - 4b)
Solve the equation in part (a) graphically, expressing the solution to the nearest hundredth. Then, use the graph to solve the associated inequalities in parts (b) and (c), expressing endpoints to the nearest hundredth.(a) 
= 0; (b) 
> 0; (c) 
< 0
A. (a) {0} (b) (-1.57, 0) ? (0, ?) (c) (-?, -1.57) B. (a) {0} (b) (-1.57, 0) ? (0, ?) (c) ? C. (a) {0, -1.57} (b) (-1.57, 0) ? (0, ?) (c) (-?, -1.57) D. (a) {0} (b) (-1.57, ?) (c) (-?, -1.57)