The domain and range of the new function compare to the domain and range of the original function is domain and range of the function will be same after the modification.
<h3>What is domain and range of the function?</h3>
The domain of a function is the set of values that we are allowed to plug into our function.
The range of a function is the set of values that the function assumes.
Given function:
f(x)= a
As, the value increased by 2.
Now, the value of the given function f(x) is modified such that the value of b remains same but the value of a is increased by 2.
Here, The domain and range of the function will be same after the modification.
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1/3 of 18 is 6
Hope this helps!
Answer:
x =23.9 (which matches the last option in the list of possible answers)
Step-by-step explanation:
Notice that we can use ratios among sides of similar triangles to solve this problem. Notice the two triangles in question. The small triangle is that with sides (x-1) and 20, while the larger triangle is that of larger sides built by the addition of (x-1) + 8 , and by 20 + 7
So we can relate similar sides with their ratios, and say that side (x-1)+8 is to side (x-1) the same as side (20 +7) is to side 20. Such put in math terms becomes the following proportion:

we can now solve for the unknown "x" in the rational equation above, by cross multiplication:

which we can round to 23.9 to match the last option in the list of possible answers.