If f(x)=1/x and g(x)+4

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

Which statement shows that 6.24 is a rational number? a. 6.24 = 6.242424 b. 6.24 = 6.24 c. 6.24 = 68⁄33 d. 6.24 = 66⁄25

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?