Use the dot product to find the magnitude of u if 
A. 
B. 
C. 
D. ?
E. 
Answer: D
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Write an equation for the piecewise function.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.x2 + y2 - 2y - 15 = 0
A. a. center = (0, -1); radius = 16
b. (
, 0), (0, 5), (0, -3)
B. a. center = (0, 1); radius = 4
b. (
, 0), (-
, 0), (0, 5), (0, -3)
C. a. center = (0, 1); radius = 4
b. (
, 0), (0, 5)
D. a. center = (1, 0); radius = 16
b. (
, 0), (-
, 0), (0, 5), (0, -3)
Use a scientific calculator to approximate the common logarithm. Round to four decimal places.log 0.0578
A. -1.2457 B. -1.2306 C. -1.2381 D. -2.8508
Solve the problem. Assume that simple interest is being calculated in each case. Round to the nearest cent.Allan borrowed $5,900 from his father to buy a car. He repaid him after 7 months with interest of 12% per year. Find the total amount he repaid.
A. $6,313.00 B. $6,608.00 C. $413.00 D. $6,254.00