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3 years ago

If f(x)=x+3 and g(x)=2x^2 find (f+g)(x) and (f+g)(3)

Mathematics

1 answer:

Levart [38]3 years ago

8 0

Answer:

Given f (x) = 2x, g(x) = x + 4, and h(x) = 5 – x3, find (f + g)(2), (h – g)(2), (f × h)(2), and (h / g)(2). This exercise differs from the previous one in that I not only have to do the operations with the functions, but I also have to ...

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Simplify the following question:

Anna71 [15]

The answer is 26x squared/9 plus 13x minus four.

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3 years ago

Mallory's mom gave her $25.00 to buy school supplies. Mallory needs to buy 5 notebooks and some mechanical pencils. If each note

Soloha48 [4]

Answer:

Mallory can buy 16 notebooks

Step-by-step explanation:

You divide 25.00 by 1.50 which is 16.6 repeating. so, she can only buy 16 notebooks

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3 years ago

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Please help me with this math problem

elena55 [62]

When a tangent line (13.5 cm) and a secant (lines x + 8.45 cm) intersect then:

tangent line^2 = 8.45 * (8.45 + x)

13.5^2 = 71.4025 + 8.45 x

182.25 -71.4025 = 8.45x

8.45 x = 110.8475

x = 13.1180473373

x = 13.1 (rounded)

Source:

1728.com/circangl.htm

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3 years ago

Solve.<br> y = 2x - 5<br> y = -2x - 9

guajiro [1.7K]

Answer:

(-1,-7)

Step-by-step explanation:

Substitute 2x-5 (from the first equation) as the y-value for the second equation, so you have something that looks like this:

2x-5 = -2x-9

Add 2x to both sides: 4x-5 = -9

Add 5 to both sides 4x = -4

Divide both sides by 4: x = -1

Substitute -1 for x in either equation (you'll get the same y-value)

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3 years ago

What times what equals 84

Kisachek [45]

42 times 2 because 84 divided by 24 equals 2. Also, 84 divided by 2 equals 24.

8 0

3 years ago

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If f(x)=x+3 and g(x)=2x^2 find (f+g)(x) and (f+g)(3)​

If f(x)=x+3 and g(x)=2x^2 find (f+g)(x) and (f+g)(3)