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4 years ago

Which of the following represents an equation of a line that passes through (2, 9) and (1, 4)?

1 answer:

3 0

To solve this, you plug in the points into each eaquation and solve. If the equation is true, the point is on the line.
D is the answer

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Please help! functions operations. explain please

Lina20 [59]

Answer:

$f^{-1}(x)=x^2-3$

Step-by-step explanation:

Given $f(x)=\sqrt{x+3}$

Let $y=\sqrt{x+3}$

Interchange x and y

$x=\sqrt{y+3}$

Solve for y, by first squaring both sides

$x^2=y+3$

$x^2-3=y$

Hence

$f^{-1}(x)=x^2-3$

The last choice is correct

5 0

3 years ago

Which equation could Sameer use to solve for the value of n if n + 13 = 17?

steposvetlana [31]

Answer:

n = 17-13

Step-by-step explanation:

n+13=17

Subtract 13 from each side

n+13-13 = 17-13

n = 17-13

7 0

4 years ago

100 pts for an answer. one day jasmine earned $25.20 for 6 hours of work. Another day jasmine earned 16.80 for 4 hours of work.

alexira [117]

Answer:

Step-by-step explanation:

<u>Use the given points to find the hourly pay:</u>

$25.20/6 = $4.20
$16.80/4 = $4.20

<u>Correct function to show the payment for h hours is:</u>

c = 4.20h

5 0

3 years ago

How many milliliters are equal to 4 liters?

Brut [27]

Answer:

4000 millilitres

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

An angle measures 20.6° less than the measure of its complementary angle. What is the measure of each angle?

IrinaVladis [17]

Answer:34.7 55.3

Step-by-step explanation: Complementery angles mean that they add to 90 degrees so we can repersent that in the equation x=(90-x)-20.6 first lets add like terms x=69.4-x (nice) now lets add x to each side 2x=69.4 now to get rid of the two lets divide by 2 on each side x=34.7. The angle that is 20.6 degrees less than its complementary angle has been found, to find the other angle add 20.6 degrees to the one we just found.

6 0

3 years ago