Simplify the radical expression.
A. x2
B. x
C. x2
D. x
Answer: B
Mathematics
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Integrate the function.
dt
A. - 
+ C
B. 
+ C
C. - 
+ sin-1 4t + C
D. - 
+ C
Mathematics
Find the domain and range of the inverse of the given function.f(x) = 
x - 9
A. Domain: (-?, 6) ? (6, ?); range: all real numbers B. Domain and range: (-?, 6) ? (6, ?) C. Domain: (-?, 9) ? (9, ?); range: (-?, 6) ? (6, ?) D. Domain and range: all real numbers
Mathematics
Factor the trinomial completely.6z2 - 5z - 6
A. (3z + 2)(2z - 3) B. (3z - 2)(2z + 3) C. (6z + 1)(z - 6) D. (6z + 2)(z - 3)
Mathematics
Give the focus, directrix, and axis for the parabola.y2 = 40x
A. (10, 10), x = 10, x-axis B. (10, 0), x = -10, y-axis C. (10, 0), x = -10, x-axis D. (0, 10), y = -10, y-axis
Mathematics