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marissa [1.9K]
4 years ago
7

Can someone help me with those exercises please?

Mathematics
1 answer:
Ymorist [56]4 years ago
3 0
What exercises are you talking about?
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· Evaluate f(2a + b), where f(x) = 4x2 – 3x.​
spayn [35]

Answer:

2af+bf = 2af+bf

Step-by-step explanation

f(x) = 4x2 – 3x. =  x(4x−3)

5 0
3 years ago
PLEASE HELP! 
NNADVOKAT [17]

D is ur answer bro good luck


8 0
3 years ago
Identify the vertex and the y-intercept of the graph of the function y--(x+3 +4
Daniel [21]

The vertex is at (-3, 4)



This can be found by looking at the basic form of vertex form:



y = (x - h)^2 + k



In this basic form the vertex is (h, k). By looking at what is plugged into the equation, it is clear that h = -3 and k = 4. This means the vertex is at (-3, 4).



The y-intercept is at 13. To find this we must first square the parenthesis and get the equation into standard form.


y = (x + 3)^2 + 4

y = x^2 + 6x + 9 + 4

y = x^2 + 6x + 13


Now we know that the y-intercept is equal to the constant, which is the last number in the equation.

7 0
4 years ago
Point X lies on plane S and on plane R. True or false?
Naya [18.7K]

The answer is true.

Point X lies on the line of intersection of planes S and R. This means that point X lies on both plane S and plane R at the same time.

You could also try and imagine the diagram without plane S and see that point X lies on plane R. Then you can imagine the same diagram without plane R and see that point X lies on plane S.

Let me know if you need any clarifications, thanks!

~ Padoru

8 0
3 years ago
Mark has a cabinet door in his kitchen with the dimensions shown below. He creates a scale
STatiana [176]

Answer:

30

Step-by-step explanation:

you just Multiply by 2

3 0
3 years ago
Read 2 more answers
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