The answer is A
F (-4)=-23 < 0
F (-1)=16> 0
REAL BUT NOT RATIONAL :
square root of 2
the golden ratio : 1.618033.....non terminating
square root of 99
The balance after one year is $5200
Step-by-step explanation:
The formula to apply here is

where
A=Amount of money at the end of the period=?
P=the amount of money invested= $5000
r=rate of interest=4%=0.04
n=number of compounding per year=1
t=time in years=1
Applying the formula

A=$5200
Learn More
Compound Interest: brainly.com/question/12148233
Keywords : interest, compounded annually
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(for x=0) 3 & (for x=4) 19
We can set up a system of equations:
x + y = 12
x - y = 4
Adding these two together:
2x = 16
x = 8
Substituting 8 in the first equation:
8 + y = 12
y = 4
Hope this helps!