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galben [10]
3 years ago
9

Solve 7x 12.4=5x-7.6

Mathematics
1 answer:
Zigmanuir [339]3 years ago
6 0
X=-10 hope I helped! :)
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People also ask

Step-by-step explanation:

6 0
3 years ago
I need help with this
Monica [59]

Using derivatives, it is found that regarding the tangent line to the function, we have that:

  • The slope is of 962.
  • The equation of the line is y = 962x - 5119.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

The slope of the line tangent to a function f(x) at x = x' is given by f'(x'). In this problem, the function is given by:

f(x) = 5x³ + 2x + 1.

The derivative is given by:

f'(x) = 15x² + 2.

Hence the slope at x = 8 is:

m = f'(8) = 15(8)² + 2 = 962.

The line goes through the point (8,f(8)), hence:

f(8) = 5(8)³ + 2(8) + 1 = 2577.

Hence:

y = 962x + b

2577 = 962(8) + b

b = -5119.

Hence the equation is:

y = 962x - 5119.

More can be learned about tangent lines at brainly.com/question/8174665

#SPJ1

7 0
3 years ago
Which point is in the solution set of the equation 3x+2y&gt;7
Mekhanik [1.2K]

Answer:

it is a that is the answer

8 0
3 years ago
I need help on this question, thx and i will give brainliest to the first answer that's correct.
tensa zangetsu [6.8K]

Answer:

its might be c, but i think it d

Step-by-step explanation:

4 0
3 years ago
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