Find the derivative of the function.r = (sec ? + tan ?)-3
A. -3(sec ? tan ? + sec2?)-4
B. -3(sec ? + tan ?)-4(tan2 ? + sec ? tan ?)
C. -3(sec ? + tan ?)-4
D. 
Answer: D
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Use a calculator to find the trigonometric values. Express your answers in hundredths.tan 48°
A. 1.24 B. 1.11 C. 1.20 D. 1.07
An open rectangular box is to be constructed from material that costs $
for the bottom and 
for its sides. Find the dimensions of the box of greatest volume that can be
constructed for $
.
?
A. 
B. ?
C. ?
D. ?
Identify the figure as a line, line segment, or ray and name it using the appropriate symbol.
A. Ray named 
B. Line named 
C. Ray named 
D. Ray named 
or 
Solve the problem.The height of an object dropped from a tall building is given by the table, where t is the elapsed time in seconds and h is the height in feet.
If the height is modeled by h(t) = h0 - 16t2, find h0.
A. 325 ft B. 650 ft C. 975 ft D. 1300 ft