Find the product.(7m + 1)2
A. 7m2 + 14m + 1
B. 49m2 + 14m + 1
C. 49m2 + 1
D. 7m2 + 1
Answer: B
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Find an approximate value for the integral, using the trapezoidal rule with n intervals. Round the answer to the nearest tenth if necessary.
, n = 2
A. 66 B. 110 C. 99 D. 55
Imagine that you have written down the numbers from 1 to 1,000. What is the total number of zeros you have recorded? ?
A. 161 B. 71 C. 191 D. 192 E. 141
Solve.If f(x) = ?x? (solid line)and g(x) = 4 (dashed line), find when f(x) = g(x) and when f(x) > g(x). 
A. f(x) = g(x) when x = 4 and x = -4 f(x) > g(x) when x < -4 or x > 4 B. f(x) = g(x) when x = 4 f(x) > g(x) when x < -4 C. f(x) = g(x) when x = -4 f(x) > g(x) when x > 4 D. f(x) = g(x) when x = 4 and x = -4 f(x) > g(x) when x > -4 and x < 4
Solve the problem.Find the acute angle, to the nearest degree, between the lines l1 and l2.l1: 
l2: 
.
A. 45° B. 173° C. 30° D. 135°