Use the graph of y = ax2 + bx + c to solve the quadratic equation or inequality.ax2 + bx + c ? 0

A. 3 < x < 7 or x > 7
B. 3 ? x ? 7
C. x < -3 or x < 7
D. x ? 3 or x ? 7


Answer: D

Mathematics

You might also like to view...

Use the table of values of f to estimate the limit.Let f(x) = , find f(x).

A.
 ; limit = 4.0
B.
 ; limit = 5.10
C.
 ; limit = ?
D.
 ; limit = 1.20

Mathematics

Evaluate the line integral along the curve C.ds, C is the curve r(t) = (10 sin t)i + (10 cos t)j + 12tk,  2 ? t ? 4

A.
B.
C.
D.

Mathematics

Graph the polar equation.r2 = 16 sin (2?)

A.

B.

C.

D.

Mathematics

Solve the system of equations by substitution, if a solution exists.

A. x = -8, y = 0 B. x = 1, y = 7 C. x = 0, y = 8 D. No solution

Mathematics