If f(X)= 7x +5/3 - x =6x +5/3
y= 6x +5/3
6x= y-5/3
f^-1(y)=x=(y-5/3)/6
So we can write
f(f^-1(y))= f((y-5/3)/6) = 6 (y-5/3)/6 +5/3= y-5/3+5/3= y
The same result can be obtained for f^-1(f(x))=x
If the function is f(x)= 7x +5/(3-x) then it is not invertible since it is not injective (pictures)
One tick behind one is 3/4, 1/8 is basically half of 1/4, so find 1/4 and find 1/8, 0 is sort of obvious but then not obvious. three ticks behind 3/4. 2 2/3, count UP from 1 1/4 to find 2 2/3. I really hope I helped! :)
A) x - 7 > 3 |add 7 to both sides
x > 10
b) x - 7 > 3 |add 7 to both sides
x > 10
Put a small dot on positive 4 and go down to -3 and out a big dot there and that’s your first coordinate
Answer:
Not congruent; not congruent; congruent; congruent; not congruent; not congruent.
Step-by-step explanation:
The base of △ABC, BC, is 2 units. The height of △ABC, extending from A to BC, is 3 units. This means that any triangle congruent to this will have a base of 2 and a height of 3.
△MNP has a base of 2; however, its height (from M to NP) is 4 units. Therefore they are not congruent.
△EFG has a base of 2 and a height of 4; it and △ABC are not congruent.
△STU has a base of 2 and a height of 3; it is congruent to △ABC.
△EFG has a base of 2 and a height of 4, just as △MNP; they are congruent.
Since △STU is congruent to △ABC, and we know that △EFG is not congruent to △ABC, we know that △EFG is not congruent to △STU.
Since △MNP is congruent to △EFG, and △EFG is not congruent to △STU, then △MNP is not congruent to △STU.
