Answer:
4x^2 -8
Step-by-step explanation:
f(x)=3x^2-9
g(x)=x^2+1
(f+g)(x)=3x^2-9 +x^2+1
Combine like terms
= 4x^2 -8
Answer:
$54000
Step-by-step explanation:
To find the simple interest,
<h2>

</h2>
We multiply 90000 × 0.06 × 10
The interest is $54000
Answer:
4/3
Step-by-step explanation:
Answer:
-1
Step-by-step explanation:
We can plug in -3 for x and solve:
f(-3) = -3 + 2
= -1
Answer:
D. Just follow the definition in the first line of the answer.
Step-by-step explanation:
Tan(A) = the opposite Side / Adjacent Sid
Tan(A) = 12/21
Tan(A) = 0.5714