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Fiesta28 [93]
2 years ago
9

What is the inverse of this function? f(x)=x−7

Mathematics
1 answer:
viva [34]2 years ago
4 0

Answer:

<h3> f^−1(x) = x + 7</h3>

Step-by-step explanation:

Replace f(x) with y. y = x − 7

Interchange the variables.  x = y − 7

Solve for y.  y = x + 7

Solve for y and replace with f^−1 (x).  f^−1(x) = x + 7

I hope this helps have a great day :)

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Clifford is making a really big white cake for his sisters birthday. The recipe calls for 1.5 times as much flour as sugar. It a
pantera1 [17]

<u>Answer:</u>

The amount of butter, sugar and flour does Clifford need is 2.5 cups flour, 3.75 cups sugar and 1.25 butter

<u>Explanation</u>:

Consider the number of cup of flour used to be x

According to question,

Recipe calls for 1.5 times as much flour as sugar

Sugar =1.5 \times Flour

Sugar = 1.5x

Butter = ½ x = 0.5x

According to question,  

Flour + Sugar + Butter = 7.5

x + 1.5x + 0.5x = 7.5

3x = 7.5

x = 2.5

Sugar = 1.5x = 1.5(2.5) = 3.75

Butter = 0.5(2.5) = 1.25

Clifford need is 2.5 cups flour, 3.75 cups sugar and 1.25 cups butter

3 0
3 years ago
Which of the following expressions entered into a graphing calculator will
Tanya [424]

Answer: B (0.17, 2.33)

Step-by-step explanation:

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5 0
3 years ago
Sue has 48 dolls. She gives 5/8 of them to her sister. How many dolls does she give her?
Klio2033 [76]

Answer:

i may be wrong but itcould be 1/3 butt i dont know ur A.B.C.D

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
What equation of the line that has a slope of -4 and passes through the point (-2,-5)? Answer ASAP!!
Anna11 [10]

Answer:

<em>Given </em><em>points </em><em>are </em><em>(</em><em> </em><em>-</em><em>2</em><em> </em><em>,</em><em> </em><em>-</em><em>5</em><em> </em><em>)</em><em> </em><em>and </em><em>slope </em><em>(</em><em> </em><em>m</em><em>) </em><em> </em><em>=</em><em> </em><em>-</em><em>4</em>

Step-by-step explanation:

<em>y </em><em>-</em><em> </em><em>y1</em><em> </em><em>=</em><em> </em><em>m </em><em>(</em><em> </em><em>x </em><em>-</em><em> </em><em>x1</em><em>)</em>

<em>y </em><em>+</em><em> </em><em>5</em><em> </em><em>=</em><em> </em><em>-</em><em>4</em><em> </em><em>(</em><em> </em><em>x </em><em>+</em><em> </em><em>2</em><em> </em><em>)</em>

<em>y </em><em>+</em><em> </em><em>5</em><em> </em><em>=</em><em> </em><em>-</em><em>4</em><em>x</em><em> </em><em>-</em><em> </em><em>8</em>

<em>4x </em><em>+</em><em> </em><em>y </em><em>+</em><em>5</em><em> </em><em>+</em><em> </em><em>8</em><em> </em><em>=</em><em> </em><em>0</em>

<em>4x </em><em>+</em><em> </em><em>y </em><em>+</em><em>1</em><em>3</em><em> </em><em>=</em><em> </em><em>0</em><em> </em>

<em>y </em><em>=</em><em> </em><em>-</em><em>4</em><em>x</em><em> </em><em>-</em><em> </em><em>1</em><em>3</em>

<em>which </em><em>is </em><em>the </em><em>required </em><em>equation </em>

4 0
3 years ago
If 70 mL of solution contains 280 mg of drug, how many milligrams of drug are in 50 mL of solution?
Ierofanga [76]
280 mg = 70 Ml
280/70 = 4
50 mL x 4 = 200 mg

200 mg
8 0
2 years ago
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