Answer:
Step-by-step explanation:
a=0 if both x and y are each =0
for all other real values a>0
I think the answer should be B.
Answer:
f(x) = f(-x) = x^2 -1 is an <u>even</u> function
Step-by-step explanation:
When f(x) = f(-x), the function is symmetrical about the y-axis. That is the definition of an <em>even</em> function.
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An odd function is symmetrical about the origin: f(x) = -f(-x).
<span>y = -7
You cannot divide by 0. If y = -7, the denominator would be 0.</span>
(5p+12) (5p-12) i hope this helps