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emmasim [6.3K]
3 years ago
5

The table shows the total number y (in billions) of U.S. movie admissions each year for x years. Use a graphing calculator to fi

nd an equation of the line of best fit for the data. Round each value to the nearest hundredth.
The line of best fit is y = _

(I need this by 11 pm please)

Mathematics
1 answer:
wariber [46]3 years ago
3 0

Answer:

By rounding up of the constant and coefficient terms, we have;

The line of best, fit is y = 1.23 + 3.46 × 10⁻²·x

Step-by-step explanation:

The table for the data on the number of movie admissions each year is presented as follows;

Year, x                                             {}                      Admission, y

0                                                      {}                         1.24

2                                                       {}                        1.26

4                                                      {}                         1.39

6                                                      {}                         1.47

8                                                      {}                         1.49

10                                                      {}                        1.57

Using a graphing calculator, we have that the line of best fit is given by the following equation;

y = 1.23047619048 + 3.45714285714 × 10⁻²·x

Which is approximately, y = 1.23 + 3.46 × 10⁻²·x

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F(x)=x^2-7 and h(x)=7x-5, then f(h(2))= ?
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<h3>Answer:    74</h3>

==================================================

Work Shown:

h(x) = 7x-5

h(2) = 7(2)-5

h(2) = 14-5

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f(h(2)) = f(9)

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-----------

Here's a slightly alternative approach:

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f(h(x)) = ( h(x) )^2 - 7

f(h(x)) = ( 7x-5 )^2 - 7

f(h(2)) = ( 7*2-5 )^2 - 7

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Find the slant height of a cone with surface area 282.74 ft2 and diameter 10 ft.
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The formula for the surface area of cone is:

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Substituting the given values:

282.74 ft^2 = 3.14 * 5 ft * l + 3.14 * (5 ft)^2

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