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alekssr [168]
3 years ago
7

Use the function f(x) = 2x and g(x) = 3x + 2 f(3) + 9(4) _

Mathematics
1 answer:
rosijanka [135]3 years ago
8 0

Answer:

22

Step-by-step explanation:

Assuming you said g(4)

than you would have:

(2*4) + (3*4+2) =

8 + 14 =

22

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Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = 7x6, y
IgorC [24]

Answer:

The volume is \frac{490\pi}{39} cubic units.

Step-by-step explanation:

The given curve is

y=7x^6

The given line is

y=7x

Equate both the functions to find the intersection point of both line and curve.

7x^6=7x

7x^6-7x=0

7x^6-7x=0

7x(x^5-1)=0

7x=0\rightarrow x=0

x^5-1=0\rightarrow x=1

According to washer method:

V=\pi \int_{a}^{b}[f(x)^2-g(x)^2]dx

Using washer method, where a=0 and b=1, we get

V=\pi \int_{0}^{1}[(7x)^2-(7x^6)^2]dx

V=\pi \int_{0}^{1}[49x^2-49x^{12}]dx

V=49\pi \int_{0}^{1}[x^2-x^{12}]dx

V=49\pi [\frac{x^3}{3}-\frac{x^{13}}{13}]_0^1

V=49\pi [\frac{1^3}{3}-\frac{1^{13}}{13}-(0-0)]

V=49\pi [\frac{1}{3}-\frac{1}{13}]

V=49\pi (\frac{13-3}{39})

V=49\pi (\frac{10}{39})

V=\frac{490\pi}{39}

Therefore the volume is \frac{490\pi}{39} cubic units.

5 0
3 years ago
(pls help!! my teacher whats me to pass this) for the point S(-3, 3), where will the image of this point be located after applyi
IceJOKER [234]

Answer: (0, 0)

Step-by-step explanation:

start at (-3, 3)

go 3 units right

(0, 3)

go 3 units down

(0, 0)

4 0
2 years ago
Read 2 more answers
Which function is being graphed below?
Keith_Richards [23]

The absolute function will be f(x) = | x - 5 | - 4.

<h3 /><h3>What is an absolute function?</h3>

The absolute function is also known as the mode function. The value of the absolute function is always positive.

The absolute function is given as

f(x) = | x - h | + k

Where h,k is the vertex of the absolute function.

f(x) = | x - 5 | - 4

Therefore the absolute function will be f(x) = | x - 5 | - 4.

More about the absolute function link is given below.

brainly.com/question/10664936

#SPJ1

4 0
2 years ago
Subtract using the number line.
Ray Of Light [21]

Answer: -136

Step-by-step explanation:

123+13 is 136 you then change 136 into a negative since you were subtracting 123 from -13

3 0
4 years ago
Read 2 more answers
Show that the following rectangular form x^2+y^2=2xy can be expressed as 1 = sin(2) in polar form.
lara [203]

Answer:

Step-by-step explanation:

substitute x = r*cos(θ), y = r*sin(θ) ==> r²(cos²(θ) + sin²(θ)) = 2r²cos(θ)sin(θ). Cancel the r² on both sides. On the left, use pythagorean identity cos²(θ) + sin²(θ) = 1. On the right apply double angle identity sin(2θ) = 2cos(θ)sin(θ).

This yields 1=sin(2θ). (I assume you meant to type sin(2θ) on the right hand side of the equation).

7 0
3 years ago
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