Find the indicated coefficient or term.The coefficient of x8 in the expansion of (x2 - 3)7
A. -945
B. 945
C. -2835
D. 2835
Answer: A
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Interpret the linear equation.The speed of a ball dropped from a tower is given by the linear function y = 32x where y is in feet per second and x is the number of seconds since the ball was dropped. Find and interpret the slope and y-intercept of the linear equation.
A. m = 32; The speed of the ball increases 32 feet per second every second. b = 0; The speed of the ball was 0 the moment it was dropped. B. m = 32; The speed of the ball increases 32 feet per second every second. There is no y-intercept to interpret. C. m = 32; The speed of the ball is 32 feet per second. b = 0; When the ball is dropped at x = 0, the ball has fallen 0 feet. D. m = 0; The speed of the ball does not increase as time passes. b = 32; At time x = 0, the ball has fallen 32 feet.
Solve the problem.Yoko is driving 938 miles to get home from college. If she drives 337 miles the first day, how many miles remain?
A. 601 miles B. 591 miles C. 1275 miles D. 1285 miles
Evaluate the expression  figure 1.png)
(a) 13 (b) -15 (c) 0 (d) 15 (e) - 13
Solve the problem.What is the domain of the sine function?
A. all real numbers, except odd multiples of 
(90°)
B. all real numbers, except integral multiples of ? (180°)
C. all real numbers from -1 to 1, inclusive
D. all real numbers