Answer:

Step-by-step explanation:
Given

Required
Evaluate when:

When 
The expression is:


When t = 20
The expression is:


When 
The expression is:


The result is:

Answer:
w
Step-by-step explanation:
FALSE.
The effect of adding +3 to the argument of a function f(x) is to shift the original f(x) horizoantally 3 units to the left.
Just add,
3,669
+ 681
———-
4,350 more people.
From my understanding you ahould use the trig function cos to solve this.
cos(c) = 15/25 or 0.6
if you have this following function on your calculator I suggest using it:
cos ^{ - 1}
by using the function like so:
cos^{ - 1} (0.6
you should get about 53.13° (rounding to the nearest hundredth)
Hope this helped.