Are the ratios 11:9 and 2:1 equivalent? yes or no
2 answers:
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There we have an information of two functions
Using this two functions , we need to find the composition of functions (h\circ g)(t).
The composition of two functions h and g is the new function , by performing g first and then performing h.
Composition of h and g (t) =
First plugin the value of
We know that , we need to find h(3t+3),
That is, to replace t by 3t+3,
Now distribute 2 into 3t+3,
Now plug in
Thus the solution is (D).
Let x = score on next test
(85+91+x)/3
90
x94
(85+91+x)/3
x