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LekaFEV [45]
2 years ago
9

sasha earns $8 per hour working at her grandparents house. During july, she worked 39 1/2 hours at the farm, and earned $47 baby

sitting. how many more dollars (d) does sasha need to earn to buy a gadget that cost $399?
Mathematics
1 answer:
liq [111]2 years ago
8 0
Your would multiply 39 1/2 hours by 8 then you would add 47 (answer for that is 363) then you would take 399 and subtract 363 which would be 36
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Given that f(x) = 2x + 1 and g(x) = the quantity of 3x minus 1, divided by 2, solve for g(f(3)). 5 7 9 10
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The correct answer is 10.

In order to evaluate any composite function, you need to first put the value in for the inside function. In this case f(x) is on the inside along with the number 3. So, we input 3 in for x in f(x).

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f(3) = 2(3) + 1

f(3) = 6 + 1

f(3) = 7

Now that we have the value of f(3), we can stick the answer in for the outside function, which is g(x).

g(x) = (3x - 1)/2

g(7) = (3(7) - 1)/ 2

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Step-by-step explanation:

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x^2 + 7x + 10 = 0

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x^2 + 7x = -10

To complete the square, you need to add the square of half of the x-term coefficient to both sides.

The x-term coefficient is 7. Half of that is 7/2. Square it to get 49/4. Now we add 49/4 to both sides of the equation.

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