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lana66690 [7]
3 years ago
7

Let f(x) = 3x ­- 6 and g(x) = x ­- 2. Find f(g(5)) - ie. (f o g)(5) and its domain

Mathematics
1 answer:
tigry1 [53]3 years ago
4 0
Do this by finding g(5) first.  Replacing x with 5 in g(x) gives you that g(5) = 3.  Now replace that 3 in the x in f(x) to get that f(3) = 3.  As far as the domain goes,, they are both lines and the domain for lines is all real numbers.
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# if you need any queshtions aswered speedly hit me up and I got you

7 0
3 years ago
BRAINLIESTT ASAP! PLEASE HELP ME :)
Lubov Fominskaja [6]

Answer: \sqrt{37}

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

Work Shown:

6x-y = -3 is the same as 6x-y+3 = 0

6x-y+3 = 0 is the form Ax+By+C = 0 with A = 6, B = -1, C = 3.

The distance d that line is from the point (p,q) = (6, 2) is found by the following

d = \frac{A*p+B*q+C}{\sqrt{A^2+B^2}}\\\\d = \frac{6*6-1*2+3}{\sqrt{6^2+(-1)^2}}\\\\d = \frac{36-2+3}{\sqrt{36+1}}\\\\d = \frac{37}{\sqrt{37}}\\\\d = \frac{37\sqrt{37}}{37}\\\\d = \sqrt{37}\\\\d \approx 6.08276\\\\

7 0
3 years ago
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