Which statement is true about function f, which is shown in the graph? f(x) = x^6 + 10x^4 - 11x^2

A. Function f is even.
B. Function f is both even and odd.
C. Function f is odd.
D. Function f is neither even nor odd.

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).