Solve the problem.A ball is thrown vertically upward from the ground at a velocity of 65 feet per second. Its distance from the ground after t seconds is given by 
How fast is the ball moving 2 seconds after being thrown?
A. -5 ft per sec
B. 1 ft per sec
C. 66 ft per sec
D. 33 ft per sec
Answer: B
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Answer the question.How can the graph of f(x) = -9|x| be obtained from the graph of 
A. Stretch it vertically by multiplying each y-coordinate by -9. Reflect it across the x axis. B. Stretch it vertically by multiplying each y-coordinate by -9. Reflect it across the y axis. C. Stretch it vertically by multiplying each y-coordinate by 9. Reflect it across the x axis. D. Stretch it vertically by multiplying each y-coordinate by 9. Reflect it across the y axis.
Evaluate the integral.
2x dx
A. - 
x cot 2x + 
ln 
+ C
B. - x cot 2x + ln 
+ C
C. 
x cot 2x - 
ln 
+ C
D. - 2x cot 2x + 4 ln 
+ C
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.
A. 
B. x34/5
C. x22/5
D. 
Evaluate by using scientific notation and the laws of exponents. Leave you answer in scientific notation.(0.0095)(0.0000006)(0.001)
A. 5.7 × 10-14 B. 5.7 × 10-12 C. 5.7 × 10-11 D. 5.7 × 10-13