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Paul [167]
3 years ago
13

If f(x) = 2x−5, then what is the value of f(2) + f(5)

Mathematics
1 answer:
DochEvi [55]3 years ago
7 0
First of all f(2)=2(2)-5=-1 and f(5)=2(5)-5=5
so
f(2)+f(3)=-1+5=4
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Julie has basketball practice every 6 days and track practice every 4 days. In how many days will she have both basketball and t
GrogVix [38]

Answer: 12 days

Step-by-step explanation:

For us to know the number of days whereby Julie will have both basketball and track practice, we've to find the lowest common multiple of both 6 and 4. This will be:

Multiples of 4 = 4, 8, 12, 16, 24.

Multiples of 6 = 6, 12, 18, 24, 30.

The lowest common multiple is 12. Therefore, she'll have basketball and track practice in 12 days

5 0
3 years ago
The equation of a circle is (x - 3)^2 + (y + 2)^2 = 25. The point (8, -2) is on the circle.
Jlenok [28]
From the equation, you can see that (3,-2) is the center of the circle (the terms are 0 for those x,y values). The mentioned point has the same y value as the center. That's good news, because it tells us that the tangent line is exactly vertical. The x coordinate is given as x=8. Vertical lines have an equation of x=... so x=8 is the right answer.
8 0
3 years ago
Read 2 more answers
Please help me I really need the answer!
Ymorist [56]
(2, 8)

Because you cannot divide by 0, which 2 would do to the bottom. 
5 0
3 years ago
Ski resort charges snowboarder fee of $40 plus 8.5 per hour c(t)=__t+_____
Natalija [7]
Your equation would look a lot like this 
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6 0
3 years ago
What is the inverse of the equation y=x²-4, x≤ 0​
Lina20 [59]

The inverse of the equation y = x² - 4, x≤ 0​ is y = \sqrt{x + 4

<h3>How to determine the inverse of the equation?</h3>

The equation is given as:

y = x² - 4, x≤ 0​

Swap the x and y values

x = y² - 4

Add 4 to both sides

y² = x + 4

Take the square root of both sides

y = \sqrt{x + 4

Hence, the inverse of the equation y = x² - 4, x≤ 0​ is y = \sqrt{x + 4

Read more about inverse equations at:

brainly.com/question/11302699

#SPJ1

6 0
2 years ago
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