The integrand of the following definite integral is a difference of two functions.
?

?
Sketch the graph of the two functions and shade the region whose area is represented by the integral.
?
A. ?
1)
2)
B. ?
1)
2)
C. ?
1)
2)
D. ?
1)
2)
E. ?
1)
2)
Answer: B
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Write the first five terms of the arithmetic sequence with the given term and common difference.a1 = 9, d = -3
A. 9, 6, 3, 0, -3 B. 6, 3, 0, -3, -6 C. 12, 9, 6, 3, 0 D. 9, 6, 2, 0, -3
Use a distributive property to write an equivalent expression.6 ? x + 6 ? z
A. 6(x + z) B. 6(xz) C. 36(x + z) D. 12(x + z)
Solve the linear inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line. ?
-
A. (-?, -2]
B.
C. (-?, 2]
D. [2, ?)
Solve the right triangle using the information given. Round answers to two decimal places, if necessary. a = 4, A = 30°; Find b, c, and B.
A. b = 6.93 c = 9 B = 70° B. b = 6.93 c = 9 B = 60° C. b = 6.93 c = 8 B = 60° D. b = 6.93 c = 8 B = 70°