Solve the problem.An object is thrown upward with an initial velocity of 15 ft per second. Its height is given by 
at time t seconds. After how many seconds does it hit the ground?
A. 6 sec
B. 5 sec
C. 4 sec
D. 2 sec
Answer: C
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Write the number in standard form.The Johnsons have driven their car forty-two thousand, eight hundred two miles in the last few years.
A. 42,802 B. 4,282 C. 42,820 D. 420,802
Provide an appropriate response.Explain why the equation cos-1 
= 
does not violate the Inverse Composition Rule.
What will be an ideal response?
Solve the problem.The mathematical model 
represents the cost in dollars a company has in manufacturing 
during a month. Based on this, how many items were produced if expenses were $190,000 in one month?
A. 900 items B. 1900 items C. -100 items D. 1009 items
Find all intercepts of the following function.
?
?
A. x-intercept: 
B. y-intercept: 
C. x-intercept: 
and y-intercept: 
D. x-intercept: 
E. y-intercept: 