For the pair of functions, find the indicated sum, difference, product, or quotient.

f(x) = 9x - 3, g(x) = 2x - 8
Find (f - g)(x).

A.7x - 11

B.7x + 5

C.11x - 11

D.-7x - 5

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

What is sin 7x/4 ? i need on this urgent trig