Something to remember is how to multiply terms with same bases, but different exponents:
Essentially, we add the exponents.
Using the information above, we can find our answer:
Our answer is , or A.
If f(x) = 56-2x, find f(7)
2 answers:
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Answer:
An even function is:
f(x) = 7
Step-by-step explanation:
An even function accomplish the following condition:
f(x)=f(-x) (1)
Applying (1), we have:
- f(x)= (x-1)^2
f(-x)
- f(x)= 8x
- f(x)= x^2 -x
- f(x)=7 = f(-x)= 7
The last one is even.