Solve the problem.A die is rolled 10 times. Find the probability of rolling exactly 10 ones.
A. Approximately 2.8 × 10-9
B. Approximately 6.0 × 10-7
C. Approximately 1.7 × 10-8
D. Approximately 9.9 × 10-8
Answer: C
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Use the Concavity Theorem to determine where the given function is concave up and where it is concave down. Also find all inflection points.G(x) = 
x4 - x3 + 14
A. Concave up for (2, ?), concave down on (-?, 2); inflection point (2, 10) B. Concave up for (-?, 0), concave down for (0, ?); inflection point (0, 14) C. Concave up on (-?, 0) ? (2, ?), concave down on (0, 2); inflection points (0, 14) and (2, 10) D. Concave up on (0, 2), concave down on (-?, 0) ? (2, ?); inflection points (0, 14) and (2, 10)
Solve the inequality.2x2 - 4 < -7x
A. 
B. 
C. 
D. 
Perform the indicated operation and simplify. Write the answer in the form a + bi.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
- 
i
A corporation has three factories, each of which manufactures acoustic guitars and electric guitars. The number of units of guitars produced at factory j in one day is represented by aij in the matrix
?
.
?
Find the production levels if production is increased by 20%.
?
A. 
B. 
C. 
D. 
E. 