A formula for determining the finite sum, of an arithmetic sequence of numbers is S=n/2(a+b), where n is the number of terms, a is the first term, and b is the last term. Express b in terms of a, s, and n.

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

If f(x) = 4x – 3 and g(x) = 8x + 2, find each function value a.f[g(3)] b.g[f(5)] c.g{f[g(-4)]}

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5