26.) find the next three terms of the sequence –8, 24, –72, 216, . .

a.) –648, 1944, –5832

b.) 648, –1944, 5832

c.) 216, –648, 1944

d.) 248, –616, 248

Consider the function f left parenthesis x right parenthesis equals 4 x squared minus 3 x minus 1f(x)=4x2−3x−1 and complete parts (a) through (c). (a) find f left parenthesis a plus h right parenthesis f(a+h); (b) find startfraction f left parenthesis a plus h right parenthesis minus f left parenthesis a right parenthesis over h endfraction f(a+h)−f(a) h; (c) find the instantaneous rate of change of f when aequals=77.