TOPIC;- Functions
(I)
f(x) = 5x+4
for f(-3)
Substitute the value of x given inside the blackets I.e -3
f(-3) = 5(-3) + 4
f(-3) = -15 + 4
f(-3) = -11
final answer for f(-3) is -11
(ii)
g(x) = -3x^3-2
for g(-4)
do the same as the above question
g(-4) = -3(-4) ^ 3-2
g(-4) = 12^1
g(-4) = 12
final answer for g(-4) is 12