Solve the problem.If a license plate consists of two letters followed by four digits, how many different licenses could be created having at least one letter or digit repeated.
A. 4,009,824 licenses
B. 6,760,000 licenses
C. 3,276,000 licenses
D. 3,484,000 licenses
Answer: D
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Compare the right-hand and left-hand derivatives to determine whether or not the function is differentiable at the point whose coordinates are given.
y = xy = 2x
A. Since limx?0+ f '(x) = 1 while limx?0- f '(x) = 2, f(x) is not differentiable at x = 0. B. Since limx?0+ f '(x) = 2 while limx?0- f '(x) = 1, f(x) is not differentiable at x = 0. C. Since limx?0+ f '(x) = -2 while limx?0- f '(x) = -1, f(x) is not differentiable at x = 0. D. Since limx?0+ f '(x) = 1 while limx?0- f '(x) = 1, f(x) is differentiable at x = 0.
Determine the angle between u and v. Give the angle in degrees rounded to the nearest tenth of a degree.u = 7i - 9j, v = 4i + 2j
A. 29.4° B. 88.7° C. 78.7° D. 39.4°
Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-23 + (-9)
A. 32 B. -14 C. 14 D. -32
Evaluate the logarithm.log10 0.0001
A. -0.0004 B. -4 C. 0.0001 D. 4