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KATRIN_1 [288]
2 years ago
8

9(y - 4) + y + - 30 ????????????????

Mathematics
1 answer:
morpeh [17]2 years ago
6 0

Answer:

-35 is gonna be your answer.

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Let f(x)=4x+7 and g(x)=3x-5. find (fog)(-4)<br><br> A. -9 <br> B. -61 <br> C. -32 <br> D. -17
prohojiy [21]

Answer:

B . (fog)(-4)  = - 61

Step-by-step explanation:

Here, given  f(x) = 4 x + 7, g(x) = 3 x- 5

Now, by the COMPOSITE FUNCTION:

(f o g) (x)  = f (g(x))

Now here: )f o g) ( -4)  = f (g(-4))

<u>Simplifying for g(x) =  3 x  - 5</u>

 g(-4)  = 3 (-4) -  5 = -12 - 5  = -17

or, g (-4)  = -17

Now, <u>for f(x) = 4 x + 7 </u>

f ( g(-4))  = f ( -17) = 4 (-17) + 7

= - 68 + 7 =  - 61

or, f ( g(-4))  = - 61

Hence, (fog)(-4)  = - 61

3 0
3 years ago
Please help me it would be much appreciated! I promise to mark brainlest!
RideAnS [48]

Answer: If you look up the question on Brainly, somebody asked the same question and there is a full explanation.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Kelly buys a book for 9.95 michael buys a pair of socks for 7.45.how much more money does kelly spend than michael
Luba_88 [7]

Answer:

$2.50

Step-by-step explanation:

To find this out u must subtract the two totals:

9.95- 7.45= $2.50

Hope this helped

Please mark brainless

So i can rank up ;D

8 0
3 years ago
Read 2 more answers
3(2x - 5)+ 5(x - 6)=-1<br><br> Solve for x
scZoUnD [109]

Answer:

x= 4

Step-by-step explanation:

5 0
3 years ago
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What is the equation of the line that is
Fantom [35]

Answer:

y = m_{AB}(X-2)-1

Step-by-step explanation:

When two lines are parallel means that their slopes are equal. Therefore the line AB will have same slope to a parallel second line, m_{AB} = m_{2}.

To obtain the slope from the line AB, we need two points, so the general equation will be:

m_{AB} = \frac{y_{B} -y_{A}  }{x_{B}-x_{A}  }

The typical equation of a line is written as y = mx + b

The second line will pass through point (2, -1), so we can substitute:

y2 = mX2 + b

-1 = -1=m_{AB} (2)+b(2) + b

then the interception is b=-m_{AB} -1

Now to obtain a general equation for the second parallel line will be:

y =  m_{AB} X + b

y =  m_{AB} X - m_{AB}(2)-1

Finally we get:

y =  m_{AB} (x-2)-1

3 0
3 years ago
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