Find the real solutions, if any, of the equation. Use the quadratic formula.3x2 + 7x - 20 = 0
A. {
, 4}
B. {- 
, 4}
C. {
, -4}
D. {- 
, -4}
Answer: C
Mathematics
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Solve the polynomial inequality. Express the solution using interval notation.x3 - 9x2 > 0
A. (-?, 9) B. (9, ?) C. (0, 9) D. (-?, 0) ? (9, ?)
Mathematics
Provide an appropriate response.Suppose the volume of a cube is v(x) = (x - 4)3. Express as a composition of two functions and explain what each function represents.
What will be an ideal response?
Mathematics
Write the number in scientific notation.0.000411
A. 4.11 × 10-3 B. 4.11 × 104 C. 4.11 × 10-5 D. 4.11 × 10-4
Mathematics
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.
A. 1.43 B. -1.43 C. -1.57 D. 1.57
Mathematics