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