Math miscellaneousHard

Question

Let f(x) = 4 and f′(x) = 4. Then is given by

Options

A.2

B.-2

C.-4

D.3

Solution

We have, f(2) - 2f′(x) = f(2) - 2f′(2) = 4 - 2 × 4 = - 4

Create a free account to view solution

View Solution Free

Topic: Math miscellaneous·Practice all Math miscellaneous questions

More Math miscellaneous Questions

Let P be the point (1, 0) and Q a point on the locus y2 = 8x. The locus of mid point of PQ is...If f (x) = xn, then the value of f(1) is...If y = (x + , then (1 + x2) is...Let = Ax4 + Bx3 + Cx2 + Dx + E then the value of 5A + 4B + 3C + 2D + E is equal to...If the expansion in powers of x is a0 + a1x + a2x2 + aa3x3 + ...., then an is...