diketahui f(x)=7x+p dan f(2)=10,maka nilai f(3) + f(-2) adalah

f(x) = 7x+p

f(2) = 7(2)+p
10 = 14 + p
p = 10-14 = -4

f(x) = 7x - 4

f(3) = 7(3) - 4
f(3) = 21 - 4 = 17

f(-2) = 7(-2) - 4
f(-2) = -14 - 4 = -18

f(3) + f(-2) = 17 - 18 = -1