5
4
-3
-2
Correct answer is A
\(f(x) = 3x^{2} + 18x + 32\)
\(\frac{\mathrm d y}{\mathrm d x} = 6x + 18 = 0\)
\(6x = -18 \implies x = -3\)
\(f(-3) = 3(-3^{2}) + 18(-3) + 32 = 27 - 54 + 32 = 5\)
Find the sum of the first 20 terms of the sequence -7-3, 1, ...... ...
Find the range of values of x for which \(2x^{2} + 7x - 15 > 0\)....
Find the median of the numbers 9,7, 5, 2, 12,9,9, 2, 10, 10, and 18. ...
If \(Px^{2} + (P+1)x + P = 0\) has equal roots, find the values of P....
Solve the inequality \(2x^{2} + 5x - 3 \geq 0\)....
Find the inverse of \(\begin{pmatrix} 4 & 2 \\ -3 & -2 \end{p...