Find the derivative of the function.r = (sec ? + tan ?)-3
A. -3(sec ? tan ? + sec2?)-4
B. -3(sec ? + tan ?)-4
C. -3(sec ? + tan ?)-4(tan2 ? + sec ? tan ?)
D. 
Answer: D
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Solve the problem.The formula 
can be used to estimate the speed of a car, v, in miles per hour, based on the length, L, in feet, of its skid marks upon sudden braking on a dry asphalt road. If a car is involved in an accident and its skid marks measure 125 feet, at what estimated speed was the car traveling when it applied its brakes just prior to the accident?
A. 55 mph B. 60 mph C. 50 mph D. 45 mph
Parametrize the surface S.S is the portion of the cylinder x2 + y2 = 36 that lies between z = 5 and z = 8.
What will be an ideal response?
Provide an appropriate response.Without making a drawing, explain why the graph of the equation y = x - 5 passes through three quadrants.
What will be an ideal response?
Solve the equation graphically by finding x-intercepts.
= 12x + 4
A. x = 
B. x = - 
C. x = 
D. x = - 