A four pound duck, initially at a temperature of 50 degrees is place in an oven preheated to 375 degrees at 1:00. At 2:15 the du
1 answer:
You might be interested in
ANSWER
A. -3, -2, 2, and 3
EXPLANATION
The given polynomial function is,
To find the real roots, we equate the function to zero to obtain;
We can solve this equation as a quadratic equation in
Thus we rewrite the equation as,
We split the middle term to get,
We factor to get,
We factor to get,
Either
or
The correct answer is A
A. -3, -2, 2, and 3
EXPLANATION
The given polynomial function is,
To find the real roots, we equate the function to zero to obtain;
We can solve this equation as a quadratic equation in
Thus we rewrite the equation as,
We split the middle term to get,
We factor to get,
We factor to get,
Either
or
The correct answer is A