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vfiekz [6]
3 years ago
10

If f(x) = x2 – 3x and g(x) = 4x + 2, which of the following is equal to f(g(3))?

Mathematics
1 answer:
ivann1987 [24]3 years ago
8 0

Answer:

look at the picture above

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Autumn is working two summer jobs making $16 per hour tutoring and making $12 per hour landscaping.In a giving week she can work
Darya [45]

Answer:

{13,14}

Step-by-step explanation:

Let

x ----> number of hours per week of tutoring

y ----> number of hours per week of landscaping

we know that

She can work no more than 17 hours

so

x+y\leq 17 -----> inequality A

She must earn at lest $240

The term " at least" means, "greater than or equal to"

16x+12y\geq 240 ----> inequality B

If Autumn worked 3 hours landscaping

then

y=3\ hours

substitute in the inequality A and in the inequality B

<em>Inequality A</em>

x+3\leq 17\\x \leq 17-3\\x\leq 14\ hours

Inequality B

16x+12(3)\geq 240\\16x\geq 240-36\\x\geq 12.75\ hours

The solution of the system is the interval {12.75,14]

All possible values for the number of whole hours tutoring that she must work to meet her requirements are

{13,14}

8 0
3 years ago
Simplify (x − 4)(3x2 − 6x + 2). 3x3 + 6x2 − 22x + 8 3x3 − 18x2 + 26x − 8 3x3 − 18x2 − 22x − 8 3x3 + 6x2 + 22x + 8
kogti [31]

Answer:

3x^3-18x^2+26x-8

Step-by-step explanation:

(x-4)(3x^2-6x+2)

3x^3-6x^2+2x-12x^2+24x-8

3x^3-18x^2+26x-8

5 0
3 years ago
Jonah is making a model house. The real house is 22 feet tall. His model is 10 inches tall. What is the foot : inch ratio for hi
Bumek [7]

Answer:

11: 5

Step-by-step explanation:

22 feet: 10 inches     Reduce.     22/10 = 11/5

6 0
2 years ago
A movie rental website charges $5.00 per month for membership and $1.25 per movie.Melissa has $18.50 this month to spend on movi
irina [24]
She can only but 14 movies because 18.50÷1.25= 14.8 and then 1.25×14=17.5
7 0
3 years ago
Read 2 more answers
Can you help me please?​
Cloud [144]
X=10. Have a great day!
6 0
2 years ago
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