Find the expression.u = -3i - 4j and v = 3i + 14j; Find 
.
A. 6
B. 
C. 7
D. 6
Answer: A
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Find the limit L for the given function f, the point x0, and the positive number ?. Then find a number ? > 0 such that, for all x, 
f(x) = 
, x0 = 2, ? = 0.4
A. L = 2; ? = 0.48 B. L = 2; ? = 0.59 C. L = 3; ? = 0.48 D. L = j-1; ? = 0.21
Write the number as a decimal. Seven hundred eighty nine and ninety-six thousandths
Fill in the blank(s) with the appropriate word(s).
Find the foci of the ellipse. Round to the nearest tenth if necessary.
+ 
= 1
A. (2.7, 13), (27.3, 13) B. (-11, 2.3), (-11, 23.7) C. (-11, 2.7), (-11, 27.3) D. (2.3, 13), (23.7, 13)
An initial investment of $5000 doubles in value in 6.3 years. Assuming continuous compounding, what was the interest rate? Round to the nearest tenth of a percent.
A. 11.0% B. 4.8% C. 5.5% D. 6.3% E. 100%