Divide.-2.1 ÷ 0.07
A. -2.03
B. -30
C. -20.3
D. 
Answer: B
Mathematics
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The function f(x) changes value when x changes from x0 to x0 + dx. Find the approximation error 
. Round your answer, if appropriate.f(x) = x - x2, x0 = 6, dx = 0.06
A. 0.264 B. 0.132 C. 0.1356 D. 0.0036
Mathematics
Find the slope of the polar curve at the indicated point.r = 7 sin 4?, ? = 0
A. -1
B. 
C. 1 + 
D. 0
Mathematics
Factor completely, or state that the polynomial is prime.3x2 - 27
A. 3(x - 3)2 B. prime C. 3(x + 3)(x - 3) D. 3(x + 3)2
Mathematics
Find the root.
A. 27 B. -9 C. Not real number D. 13.5
Mathematics