Simplify the expression.5(3x + 4) + 8(x + 2)
A. 23x + 36
B. 11x + 6
C. 55x + 36
D. 23x + 6
Answer: A
Mathematics
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Determine the symmetries of the curve.r = 2 - 4 sin ?
A. No symmetry B. x-axis only C. y-axis only D. Origin only
Mathematics
Determine the coordinates of the focus and the equation of the directrix of the parabola.4y2 = x
A. F
, x = - 
B. F
, x = 
C. F
, y = - 
D. F
, x = - 
Mathematics
For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = 9x - 4, g(x) = 6x - 5Find (f/g)(x).
A. 
B. 
C. 
D. 
Mathematics
Find the absolute extreme values of the function on the interval.f(x) = - 4 e-x2, -? < x < ?
A. Minimum value is - 4 at x = 0; no maximum value
B. Minimum value is - 4 at x = 0; maximum value is - 
at x = 1
C. No minimum value and no maximum value
D. Maximum value is - 4 at x = 0; minimum value
Mathematics