Answer:
25
Step-by-step explanation:
15/6*10 = 25
Answer:
Step-by-step explanation:
let f(x)=y
y=2x+5
flip x and y
x=2y+5
2y=x-5
y=(x-5)/2
f^{_1}(x)=(x-5)/2
but f^{-1}(x)=1
so (x-5)/2=1
x-5=2
x=2+5=7
Answer:
Step-by-step explanation:
<h3>Given information</h3>
<h3>Question 15. f(g(2))</h3>
<u>Substitute values into the first function</u>
<u>Substitute the values of the first function into the second</u>
<h3>Question 16. g(f(2.5))</h3>
<u>Substitute values into the first function</u>
<u />
<u>Substitute the values of the first function into the second</u>
<h3>Question 17. g(f(-5))</h3>
<u>Substitute values into the first function</u>
<u>Substitute the values of the first function into the second</u>
<h3>Question 18. f(g(-5))</h3>
<u>Substitute values into the first function</u>
<u>Substitute the values of the first function into the second</u>
Hope this helps!! :)
Please let me know if you have any questions
Answer:
c) √121 is the rational number.
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