brenda and her bestfriend went on a vacation together. They both paid for a flight, and brenda had a fancy room for $150 per nig
1 answer:
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Answer:
Step-by-step explanation:
g°h indicates that you must plug the function h(x) into the function g(x) as you can see below:
Now you must simplify by adding like terms, as following:
By definition you have that:
Theen you must solve for x:
Therefore, the domain is:
{ ∈R:
}
Then the answer is
<u>Answer-</u>
<em>The height of the traffic light is 21.8 feet.</em>
<u>Solution-</u>
As shown in figure, we can see the right triangle formed from the situation,
From the question,
BC = the distance walked by Andrew from the traffic light = 20 feet
Height of Andrew's eye = 5 feet
Height of the traffic light = AB + Height of Andrew's eye
From the properties of triangle,
Therefore, height of the traffic light = AB + Height of Andrew's eye = 16.8+5 = 21.8 feet
