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riadik2000 [5.3K]
3 years ago
8

Simplify: 8x3 – 2x2 + x + 3x3 need answer asap

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
7 0
The answer is 29 + x only.
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What is 18/25 as a decimal
Serga [27]

Answer: 0.72

Step-by-step explanation:

Hope that helps :)

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3 years ago
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How to wirte a linear equation from a graph
astra-53 [7]
Hey there!
I'll assume we're using the slope-intercept form equation:
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b = y-intercept
First, we keep the y, because it's value depends on the x value given.
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8 0
3 years ago
What is the equation of the graph below?On a coordinate plane, a curve crosses the y-axis at (0, negative 1). It has a minimum o
zzz [600]

ANSWER:

4th option: y = cosine (x + pi)

STEP-BY-STEP EXPLANATION:

For the function y = cosine (x), when x = 0, y = 1 and when x = , y = -1. The graph shows the opposite, when x = 0, y = -1 and when x = , y = 1, so we must add the same amount x = , for y to be positive 1.

So the equation of the graph would be:

y=\cos(x+)

The correct answer is then the 4th option y = cosine (x + pi)

3 0
10 months ago
Use the image below to answer the following question. Find the values of sin x°, cos x°, tan x°, sin y°, cos y°, and tan y°.
Molodets [167]

Answer:

the answer XxXxXxXxXx  -YyYYYYY

Step-by-step explanation:

3 0
3 years ago
I need to use multi-step inverses with logs:
lubasha [3.4K]

Answer:

f^{-1}(x)= \:\log _7\left(\left(8x-1\right)^3\right)

Explanation:

f(x) = \frac{(7^x)^{\frac{1}{3} }+1}{8}

Let f(x) be y

y = \frac{(7^x)^{\frac{1}{3} }+1}{8}

exchange x and y

x = \frac{(7^y)^{\frac{1}{3} }+1}{8}

simplify

8x= {(7^y)^{\frac{1}{3} }+1}

simplify

8x - 1 = 7^{\frac{y}{3} }

simplify

8x - 1 = \sqrt[3]{7^y}

simplify

(8x-1)^3 = 7^y

apply log rules

y = \frac{log((8x-1)^3 )}{log(7)}

y = \:\log _7\left(\left(8x-1\right)^3\right)

therefore

f^{-1}(x)= \:\log _7\left(\left(8x-1\right)^3\right)

3 0
2 years ago
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