Solve the inequality.x(x + 5) ? -6

A. [-2, ?)
B. [-3, -2]
C. (-?, -3]
D. (-?, -3] or [-2, ?)

Answer: D

Mathematics

Find fx, fy, and fz.f(x, y, z) = xz

A. f_x = z; f_y = ; f_z = x
B. f_x = z; f_y = - ; f_z = x
C. f_x = z; f_y = - ; f_z = x
D. f_x = z; f_y = ; f_z = x

View

Mathematics

Find the greatest common factor of the numbers.84 and 42

A. 6 B. 21 C. 14 D. 42

View

Mathematics

Divide.

A. 85 B. 85 R 3 C. 86 R 1 D. 86 R 5

View

Mathematics

Use mathematical induction to prove the following.1 ? 3 + 2 ? 4 + 3 ? 5 + . . . + n(n + 2) =

What will be an ideal response?

View

Mathematics