Rationalize the denominator. Assume all variables have nonzero values.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
You might also like to view...
Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln (cos (ln ?))
A. - 
B. 
C. tan (ln ?)
D. - tan (ln ?)
Mathematics
Solve the problem.A circle with a radius r contains a triangle whose base passes through the center of the circle and whose height is r. Express the shaded area in terms of r and ? as a completely factored polynomial.
A. ?(r + 1)2 B. r2(? - 1) C. ?(r - 1)2 D. r2(? + 1)
Mathematics
Find the degree of the polynomial.8x4 + 9x3 - 5x + 5x5 + 5
A. degree 3 B. degree 4 C. degree 8 D. degree 5
Mathematics
Use a graphing calculator to find f'(x) when x has the given value.f(x) = -8x2 + 6x; x = 17
A. -266 B. -130 C. -282 D. -278
Mathematics