Factor. Check by multiplying.5a2 - 30a
A. 5a(a2 - 6a)
B. 5a(a - 30a)
C. 5a(a - 6)
D. 30a(a - 1)
Answer: C
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Solve the problem.Suppose that h is continuous and that 
= 7 and 
Find 
and
A. 18; -18 B. 4; -4 C. -18; 18 D. -4; 4
Solve the problem.Suppose that a radio signal transmission pattern can be modeled by 
for 
where the units are miles. Assume that the positive x-axis points east, and determine the distances of transmission in the east, north, west, and south directions.
A. E: 48 miles, N: 96 miles, W: 48 miles, S: 0 miles B. E: 48 miles, N: 48 miles, W: 48 miles, S: 0 miles C. E: 96 miles, N: 48 miles, W: 0 miles, S: 48 miles D. E: 48 miles, N: 0 miles, W: 48 miles, S: 96 miles
Find all of the real zeros of the function. Give exact values whenever possible. Identify each zero as rational or irrational.f(x) = x3 + 3x2 - 37x - 63
A. -7 (rational), 1 + 
(irrational), and 1 - 
(irrational)
B. -7 (rational), -2 + 
(irrational), and -2 - 
(irrational)
C. -7 (rational), 
(irrational), and -
(irrational)
D. -7 (rational), 2 + 
(irrational), and 2 - 
(irrational)
Multiply.
? 
A. 
B. 
C. 
D. 