
- f (x) = 3x² + x
- Find f (-5).

Given,
Now, we have to find f (-5). To find this, we just need to substitute -5 in the place of x.
So,

I'm not entirely sure about these, and the last one was tricky but i hope this helped.
I do not understand what you want me to solve.
Answer:
61.57 ft
Step-by-step explanation:
Look at the picture. You need to find the base value.
so we can sue the cosine formula here.
cos x° = adjacent / hypotaneous
cos 52 ° = adj / 100
adjacent = 100 cos 52°
=61.57 ft
I don't know about square inches, I can't convert 128 inches to square inches is there anyway Google or something can help you?