Answer: The required value of f(3) is 81.
Step-by-step explanation: We are given the following function :

We are to find the value of f(3).
Substituting x = 3 in equation (i), we get

Thus, the required value of f(3) is 81.
Answer:
4242
Step-by-step explanation:
car is the best
The least number of quadratic system can have is Two real solutions or no real solutions.
Answer:
8−4 a
Step-by-step explanation:
x=g(h(a−4))
h(a−4)=−2(a−4)−5 = −2 a+8−5=3−2 a
Apply g.
g(h(a−4))=g(3−2a)=2(3-2a)+2=6−4a+2