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saveliy_v [14]
3 years ago
12

50 students tried out for the baseball team. 35 students made the team find the percent of decrease

Mathematics
1 answer:
AleksAgata [21]3 years ago
7 0

Answer:

70% made it 30% didn't make it

Step-by-step explanation:

Step 1:

35/50 = x/100      Equation

Step 2:

50x = 3,500        Multiply

Step 4:

x = 3,500 ÷ 50      Divide

Answer:

x = 70

Hope This Helps :)

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Find f'(x) and state the domain of f':<br> f(x) = In (2x^2+1)
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Answer:

f'(x) = \frac{4x}{2x^2+1}

Domain: All Real Numbers

General Formulas and Concepts:

<u>Algebra I</u>

  • Domain is the set of x-values that can be inputted into function f(x)

<u>Calculus</u>

The derivative of a constant is equal to 0

Basic Power Rule:

  • f(x) = cxⁿ
  • f’(x) = c·nxⁿ⁻¹

Chain Rule: \frac{d}{dx}[f(g(x))] =f'(g(x)) \cdot g'(x)

Derivative: \frac{d}{dx} [ln(u)] = \frac{u'}{u}

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = ln(2x² + 1)

<u>Step 2: Differentiate</u>

  1. Derivative ln(u) [Chain Rule/Basic Power]:                          f'(x) = \frac{1}{2x^2+1} \cdot 2 \cdot 2x^{2-1}
  2. Simplify:                                                                                       f'(x) = \frac{1}{2x^2+1} \cdot 4x
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We know that we would have issues in the denominator when we have a rational expression. However, we can see that the denominator would never equal 0.

Therefore, our domain would be all real numbers.

We can also graph the differential function to analyze the domain.

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