Solve the problem.The speed of a ball dropped from a tower is given by the formula f = 32t where f is in feet per second and t is the number of seconds since the ball was dropped. Find the speed of the ball after 4 seconds.
A. 4 feet per second
B. 118 feet per second
C. 128 feet per second
D. 32 feet per second
Answer: C
Mathematics
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Evaluate the expression for the given replacement value.x - 51, for x = 74
A. 65 B. 47 C. 23 D. 83
Mathematics
Determine algebraically whether the function is even, odd, or neither.
A. even B. odd C. neither
Mathematics
Solve the problem.Mary and her brother John collect foreign coins. Mary has twice the number of coins that John has. Together they have 135 foreign coins. Find how many coins Mary has.
A. 81 coins B. 45 coins C. 18 coins D. 90 coins
Mathematics
Solve the inequality. Write the answer in set-builder notation.-10 + 7z - 1 ? 6z - 20
A. {z| z > 7}
B. {
z ? -9}
C. {
z ? -9}
D. {
z < 7}
Mathematics