For the function f(x) = x^2+10, find the equation of the tangent line at x=-8
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Answer:
x < -3
Step-by-step explanation:
This is simply an inequality. This should be fairly easy, but since it has a variable, you need to find the domain. Since -6(1) + 3 = -3, we can't do that. So what can we do? What if we use -1 for x instead? We get 9, so still no. We need to determine when the statement starts becoming true. At this point, -3 for x makes the expression equal to 21. This leads us to our answer.
Answer:
Step-by-step explanation:
pushups (p)....8 calories every 2 minutes....8/2 = 4 calories per minute
jump rope(j)....10 calories every 2 minutes...10/2 = 5 calories per minute
4p + 5j = 150 <==
Hope you could understand.
If you have any query, feel free to ask.