If f(x) = 10x + 7 and g(x) = x^2 - 7x, find (f - g)(x)

a. (f - g)(x) = x^2 + 3x + 7
b. (f - g)(x) = 10x^3 - 63x^2 - 49x
c. (f - g)(x) = -x^2 + 17x + 7
d. (f - g)(x) = 10x + 7

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.