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s2008m [1.1K]
3 years ago
8

Precalculus class questions

Mathematics
1 answer:
Delicious77 [7]3 years ago
7 0
This is an exponential function that moved 4 units down.

y= 3^{x} - 4
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Convert 7200 seconds into weeks. Round to the nearest hundredth
Reika [66]

Answer:

0.01190476, but since you have to round to the nearest hundredth your answer should be 0.01

Step-by-step explanation:

5 0
3 years ago
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D - 41 = 19
DaniilM [7]

Answer:

<u>see explanation</u>

Step-by-step explanation:

add 41; d = 60

3 0
3 years ago
What is the solution of the equation x2 + 8x = 4?
d1i1m1o1n [39]

Answer:

hope this is correct

4 0
3 years ago
Use the definition f ′(x) = h0f(x + h) - f(x)h to find the derivative. f(x)=x+2
NNADVOKAT [17]

Answer:

f'(x) = 1

General Formulas and Concepts:

<u>Calculus</u>

  • Limit Properties: \lim_{n \to a} c = c
  • Definition of a Derivative: f'(x)= \lim_{h \to 0} \frac{f(x+h)-f(x)}{h}

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = x + 2

<u>Step 2: Find derivative</u>

  1. Substitute:                         f'(x)= \lim_{h \to 0} \frac{((x + h) + 2)-(x+2)}{h}
  2. Distribute:                          f'(x)= \lim_{h \to 0} \frac{x + h + 2-x-2}{h}
  3. Combine like terms:         f'(x)= \lim_{h \to 0} \frac{h}{h}
  4. Divide:                               f'(x)= \lim_{h \to 0} 1
  5. Evaluate:                           f'(x)= 1
8 0
3 years ago
What is the slope of the line given by the equation y = 4x? Enter your answer as an integer or fraction in lowest terms.
lisov135 [29]

Answer:

slope =  4

Step-by-step explanation:

recall that for a linear equation in the form:

y = mx + b,

m = slope of line and b is the y-intercept.

In our case, we are given

y = 4x

If we compare this with the general equation above,

we can see that m = 6 and b = 0

hence slope = m = 4

3 0
3 years ago
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