$f(x)=3x+2\\\\g(x)=2x-1\\\\\\g^2(x)=(gog)(x)=g(g(x)=g(2x-1)=2(2x-1)-1=4x-2-1=4x-3\\\\\\if \ you\ means \ g(x)*g(x)\ then\\\\(g(x))^2=(2x-1)^2=4x^2-4x+1:\ answer \ C$

6 0

2 years ago

The sales tax is $49 on the purchase of a dining room set for $980. Find the sales tax rate

SVETLANKA909090 [29]

The sales tax rate is 5%.

Step-by-step explanation:

Given,

Amount of sales tax = $49

Price of dining room set = $980

Sales tax rate = $\frac{Amount\ of\ sales\ tax}{Price\ of\ dining\ room\ set}*100$

Sales taxa rate = $\frac{49}{980}*100$

$Sales\ tax\ rate=\frac{4900}{980}\\Sales\ tax\ rate=5\%$

The sales tax rate is 5%.

Keywords: percentage, division

Learn more about percentages at:

#LearnwithBrainly

6 0

3 years ago

If f(1)=4f(1)=4 and f(n)=f(n-1)^2+2f(n)=f(n−1) <br> 2<br> +2 then find the value of f(3)f(3).

gogolik [260]

Answer:

f(3) = 326

Step-by-step explanation:

Given the function

f(n)=f(n-1)^2+2

If f(1) = 4

f(2) = f(1)^2 + 2

f(2) = 4^2 + 2

f(2) = 16 + 2

f(2) = 18

f(3) = f(2)^2 + 2

f(3) = 18^2 + 2

f(3) = 324 + 2

f(3) = 326

7 0

3 years ago

The altitude of an airplane is decreasing at a rate of 40 feet per second. What is the change in altitude of the airplane over a

Alexxx [7]

Answer:

Step-by-step explanation:

-40t

-40(20)

-800 ft

4 0

2 years ago