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3 years ago

The equation 3x + 7 = y represents a function. Write it using function notation.

Mathematics

2 answers:

gregori [183]3 years ago

7 0

Answer: f(x) = 3x + 7

Step-by-step explanation:

Function notation basically uses a letter(x) instead of y

f(x), g(x), h(x) are most common

f(x) = 3x + 7

umka2103 [35]3 years ago

4 0

Answer:

3x+7=10x

Step-by-step explanation:

you are just adding 7+3 then you add the vairable term

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Bo bought a few items for $93.84, not including tax. If the tax rate was 7%, what was the total cost of these items, including t

Nastasia [14]

Answer:

Total cost is $100.41 ( $93.84 + $6.57)

Step-by-step explanation:

Thinking Point: The total cost is the cost of the items PLUS the tax. 93.84 ∙ 0.07 = 6.5688 (round to “cents”) = $6.57

Hope this helped!

6 0

3 years ago

Read 2 more answers

4−2(3+7)=4−23−27 <br><br> Is this true or fasle

Alenkasestr [34]

Answer:

false

Step-by-step explanation:

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3 years ago

Without graphing, determine the period of the function y=3.7sin(15x)- 0.1

Iteru [2.4K]

Answer is D 15 good luck

3 0

3 years ago

Find the x-intercept and the y-intercept of the line below. Click on "None" if applicable.

Andrej [43]

Answer:

a) None

b) (0, -2)

Step-by-step explanation:

The x-intercept is the point at which the line cuts through the x-axis, while the y-intercept in the point at which the line cuts through the y-axis.

a) The line does not cut through the x-axis, thus it has no x-intercept.

b) The line cuts through the y-axis at y= -2, making its y-intercept (0, -2).

3 0

2 years ago

What is the approximate length of RP? Round to the nearest tenth. 5. 6 units 6. 1 units 8. 3 units 9. 8 units.

kirza4 [7]

The apporoximate length of the RP is 6.1 units, the correct option is B.

<h3>What is Pythagoras theorem?</h3>

The Pythagoras theorem states that the square of the length of the hypotenuse is equal to the sum of squares of the lengths of the other two sides of the right-angled triangle.

Given

QR is the tangent to circle P at point Q.

QP = 3 units and QR = 5,.3 units

The length of the RP is given by;

$\rm RP=\sqrt{QP^2+QR^2} \\\\RP=\sqrt{3^2+5.3^2}\\\\ RP=\sqrt{9+28.09} \\\\RP=\sqrt{37.09}\\\\RP= 6.1 \ units$

Hence, the apporoximate length of the RP is 6.1 units.

To know more about Pythagoras theorem click the link given below.

brainly.com/question/11526258

6 0

3 years ago