Factor. Check by multiplying.20a + 5b
A. 20(a + b)
B. 4(5a + 5b)
C. 5(4a + b)
D. 5(4a + 5b)
Answer: C
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Solve the inequality. Give the solution set in both interval and graph forms.-5(5x + 4) < -30x - 15
A. (-30, ?)
B. (1, ?)
C. (-?, 1)
D. (-?, -30)
Write the first five terms of the geometric sequence with the given information.an = 7an-1; a1 = 4
A. 4, 11, 18, 25, 32 B. 7, 28, 196, 1372, 9604 C. 28, 196, 1372, 9604, 67,228 D. 4, 28, 196, 1372, 9604
Find all cube roots of the complex number. Leave answers in trigonometric form.-6
- 6i
A. 
cis 70°, 
cis 190°, 
cis 310°
B. 
cis 70°, 
cis 190°, 
cis 310°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 80°, 
cis 200°, 
cis 320°
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = e3x; relative to f(x) = ex
A. Shrunk vertically
B. Shrunk horizontally
C. Shrunk horizontally
D. Shrunk vertically