Evaluate them
A.
f(5), x>1 so square it, f(5)=25
A is wrong
B.f(2), x>1 so square it, f(5)=4
B is correct
C. f(1), x=1 so the result is 5, f(1)=5
C is correct
D. f(-2), x<1 so double it, f(-2)=-4
D is wrong
answers are B and C
Answer: $1795.42
Step-by-step explanation:

A = 1500
r = 3%
n = 12
t = 6

A = $1795.42
Answer:
A
Step-by-step explanation:
The x-intercepts are the roots of a parabola. Specifically, when a parabola is in the form
, where h and k are real numbers, the roots are
and
.
Our parabola has a plus, though. That's a problem, right?
No!
, so there's no problem. So, our roots are
and
.
So, the answer is A and we're done!