If f(x) is the slope of a trail at a distance of x miles from the start of the trail, what does 7 f(x)dx 5 represent? The change in the elevation between x = 5 miles and x = 7 miles from the start of the trail. The elevation at x = 5 miles from the start of the trail. The elevation at x = 7 miles from the end of the trail. The elevation at x = 7 miles from the start of the trail. The change in the elevation between x = 5 miles and x = 7 miles from the end of the trail.

The answer is option A

Step-by-step explanation:

From the question given, the limit is between 5 and 7, the differentiation starts from the beginning of the trail

w'x is 0.

hope it

3

step-by-step explanation:

in standard form:

a= dictionaries

b= maps

you have to buy 3 dictionaries, so put a 3 next to the a (dictionaries) so that you can multiply them by each other.

a3+b= 60 (the amount of money you have)

we already know the cost of a=15 so replace a with $15

($15 x 3)+b=60

multiply 15 and 3 to get $45 and replace it with $45

45+b=60

and then replace b with 15 to get the total:

45+15=60

that means you have $15 left after buying 3 dictionaries.

15 divided by the cost of a map ($5) equals 3.

so you can buy 3 maps.

sorry if it was confusing!