$f(x)=3x^2+1\\
g(x)=2x+2\\\\
y=2x+2\\
2x=y-2\\
x=\dfrac{1}{2}y-1\\
g^{-1}(x)=\dfrac{1}{2}x-1\\\\
(f\cdot g)(x)=f(x)\cdot g(x)\\\\
(f\cdot g^{-1})(2)=(3\cdot2^2+1)(2\cdot2+2)\\
(f\cdot g^{-1})(2)=(12+1)\cdot6\\
(f\cdot g^{-1})(2)=13\cdot6\\
(f\cdot g^{-1})(2)=78
$

5 0

3 years ago

Find the volume (in cubic yards) of a cylinder with radius 1.2 yards and height 2.6 yards. (Round your answer to one decimal pla

almond37 [142]

Answer: V = 11.8 yd³

Step-by-step explanation:

Volume is the area of the base times the height.

V = π(1.2)²(2.6) = 11.8 yd³

6 0

3 years ago

Sales tax added to a bill of $38 is $3.04. What is the sales tax rate?<br> .

kipiarov [429]

Answer:

Step-by-step explanation:

(X*38)/100=3.04=>x= (3.04*100)/38=8

3 0

3 years ago