Answer:
C. f(-1) =12
Step-by-step explanation:
f(x)= 3x^2+9
Let x=-1
f(-1) = 3(-1)^2 +9
= 3(1)+9
= 3+9
= 12
f(-1) =12
Answer:
494
Step-by-step explanation:
Answer:
s=461+123
Step-by-step explanation:
123 more is +125, and that's how many songs Joe, s, has.
For this case we must simplify the following expression:

We must add similar terms taking into account that:
- Equal signs are added and the same sign is placed.
- Different signs are subtracted and the major sign is placed.

Thus, the simplified expression is:

Answer:

Answer:
-21 over 24 should be equivalent
Step-by-step explanation:
Equivalent fractions are simple. To find an equivalent fraction simply multiply the denominator AND the numerator by any natural number other than 1 (a natural number is any number greater than zero, numbers that ARE zero or less AREN'T natural numbers i.e. 0, -1, -2, -3, you get the point)