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mr_godi [17]
3 years ago
13

I need help don’t understand

Mathematics
2 answers:
nadya68 [22]3 years ago
8 0
If f(x)=x+1 and then x became 2, you would have the function f(x)=3. So basically for that function you would be going up three over 1. That function is already g(x)=4x. If X became 2, you would have g(x)=8x. The rate of up 8 and then over one. Because of that, g(x) would be higher
Mama L [17]3 years ago
8 0

okay first off: we both use the same virtual school and i just thought that was cool lol

the equation for g(x) is g(x)=4x-5 so when you substitute in x it becomes

g(x)= 4(2) -5 or g(x)= 8-5 which equals g(x)=3

when you substitute in x, f(x) becomes

f(x)= 2 + 1 which equals f(x)=3

therefore when x=2, both functions are equal :)

hope this helps!!

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If f(x) = 1 + x2 and g(x) = 1-, which is the rule of function (f-)(x)?
STatiana [176]

Answer:

= -x^2 +x    

Step-by-step explanation:

(x) = 1 - x^2

g(x) = 1-x,

(f-g)(x) = 1-x^2 - ( 1-x)

Distribute the minus sign

          = 1-x^2 -1 +x

  Combine like terms

          = -x^2 +x    

8 0
3 years ago
Suppose you invest $20,000 at the age of 40, and agree to start receiving
prohojiy [21]

Answer:

a

Step-by-step explanation:

just tryna get brainley points

6 0
3 years ago
Read 2 more answers
On 1 to 200 scale how tall is Statue of Liberty
pickupchik [31]

Answer:

its kinda tricky because the actual size is 350ft tall so its pretty difficult??

Step-by-step explanation:

Hope this at least helped a little! ill get back to you when i figure it out! :3

7 0
3 years ago
Can I have help I am stuck on this problem It would mean the world if u helped me and tysm!! =-)
Burka [1]

\large{ \boxed{ \tt{OUR \: ANSWER :  \underline{ \$ \: 583.3125}}}}

  • Well , You can solve this question using two ways. I'm gonna use the both ways to make you clear and the one which you can easily understand , pick up that way and start solving another question as similar as this one.

\large{ \tt{❃ \: FIRST \: METHOD }} :

This method is related to the unitary method. Let's start :

  • We're provided - Amount Kelly earns per hour for gardening = $ 12.75 and we're asked to find out the amount she earn if she worked 45.75 hours this month.

  • We know , Kelly probably earns more money if she worked 45.75 hours comparison to if she worked 1 hour. So You just multiply 45.75 & 12.75 , you would get $ 583.3125 and that's your final answer.

\large{ \tt{❃ \: SECOND \: METHOD}} :

This method is related to the proportion. If you haven't learned about it yet , use the above way to solve the similar type of questions. Let's start :

  • Let Kelly earns X dollars if she worked 45.75 hours this month. [ Now , See the attached picture ]

  • Here , we can see the time is increased which implies that money will surely be increased. Such type of proportion is called direct proportion.

  • Here , the ratio of time ( in hours ) = 1 : 45.75 and the ratio of amount ( in dollars ) = 12.75 : x . Now , Set up an equation and solve for x :

\large{ \tt{ ❁ \: \frac{1}{45.75}  =  \frac{12.75}{x}}}

\large{ \tt{↦ \: 1 \times x = 45.75 \times 12.75}}

\large{ \tt{↦x =   \$  \: 583.3125}}

  • Hence , She earned $ 583.3125 .

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

7 0
3 years ago
What is the solution to the equation 9^(−3x) ≈ 7?
Paraphin [41]

9^{-3x}=7\ \ \ \ |ln\\\\\ln9^{-3x}=\ln7\ \ \ \ |use\ \log a^n=n\log a\\\\-3x\ln9=\ln7\ \ \ \ |:(-3\ln9)\\\\x=\dfrac{\ln7}{-3\ln9}\to x\approx-\dfrac{1.9459}{3\cdot2.1972}\to x\approx-0.295\\\\Answer:\ c)\ x=-0.295

6 0
3 years ago
Read 2 more answers
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