Answer:

Step-by-step explanation:

Djjejejejejjejeneejbebebbdhdhjdjdjdjdjdi
Answer:
a. 90 ft
Step-by-step explanation:
20+20+25+25
Answer:
the answer is 5 because thats the varible
Step-by-step explanation:
First of all, since all powers of x in this function are even, the entire function is even. Thus, using -x as input doesn't change the function. Thus, f(-x)=2x^2-4.