View the step-by-step solution to:

# 1 . Suppose \$5,400 is invested in an account at an annual interest rate of 3.9% compounded continuously. How long (to the nearest tenth of a year)

1 . Suppose \$5,400 is invested in an account at an annual interest rate of 3.9% compounded continuously. How long (to the nearest tenth of a year) will it take the investment to double in size?

2 Let f(x) =x2 −14x + 40.

(a) Find the vertex.

(b) State the range of the function.

(c) On what interval is the function increasing

The way to approach this... View the full answer

1) 18.1 years 2) a) x = 7 is the vertex... View the full answer

1) T he investment will be doubled in  17.77 years . 2) (a) The... View the full answer

### Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

### -

Educational Resources
• ### -

Study Documents

Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

Browse Documents