Find the curvature of the space curve.r(t) = 
(1 + t)3/2i +
(1 - t)3/2j + 
tk
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Answer: C
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Find the point-slope form of the equation of the line satisfying the given conditions and use this to write the slope-intercept form of the equation.x-intercept = -5 and y-intercept = 1
A. y = 
x + 2
B. y = 
x + 1
C. y = 5x + 1
D. y = - 
x + 1
Find the inverse of the function.f(x) = 
A. Not a one-to-one function
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Graph: y+ 2= 0
Solve the problem.The formula v = 
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 45 feet, at what estimated speed was the car traveling when it applied its brakes just prior to the accident?
A. 25 mph B. 40 mph C. 35 mph D. 30 mph