For what duration of a second does the human eye perceive an image after looking away?
1 answer:
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Answer:
4 hours
Step-by-step explanation:
Since we know he travels at a rate of 1:7.5 all we have to do is divide 7.5 by 30. Do you use proportions? You can set this up as a proportion and the find answer easily.
1
Now we cross product.
7.5 multipled by x =7.5x
1x30=30
so now we have
7.5x=30
Now we have to divide 7.5 on both sides which gives us
x=4
f(a + 2)= 3a +
substitute x = a + 2 into f(x)
f(a + 2) = 3(a + 2) +
= 3a + 6 + = 3a +