Step-by-step explanation:
f(x)=x²-1, f(x-1)=(x-1)²-1
=(x-1)(x-1)-1
=(x²-x-x+1)-1
=x²-2x+1-1
=x²-2x=0
x²=2x
x=2
Answer:
187 25/100
Step-by-step explanation:
Answer:
2.f(x)=2^4x
Step-by-step explanation:
16^x
We can rewrite 16 as 2^4
2^4^x
We know that a^b^c is equal to a^ (b*c)
so 2^(4*x)
2^(4x)
