Graph the function and its inverse using the same set of axes. Use any method.f(x) = 4x; f-1(x) = log4 x
A. 
B. 
C. 
D. 
Answer: C
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Add or subtract as indicated. Simplify, if necessary.
- 
A. 
B. - 
C. - 
D. 
Find the unit tangent vector T and the principal unit normal vector N. r(t) = (10 + t)i + (4 + ln(sec t))j - 4k, -?/2 < t < ?/2
A. T = (cos t)i + (sin t)j; N = (- sin t)i + (cos t)j B. T = (cos t)i - (sin t)j; N = (-sin t)i - (cos t)j C. T = (-cos t)i - (sin t)j; N = (-cos t)i + (sin t)j D. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j
Solve.A car averages 30 miles per gallon of gas. If its gas tank holds 
gallons of gas, how far will the car travel on a full tank of gas?
Fill in the blank(s) with the appropriate word(s).
Use a graphing utility as an aid in factoring to solve the equation.22x2 + 129x + 44 = 0
A. x = - 11, x = - 
B. x = 
, x = - 4
C. x = - 
, x = - 
D. x = 
, x = 