### Home > AC > Chapter 12 > Lesson 12.4.1 > Problem 12-69

12-69.

If , find each output value below (if possible). If it is not possible, explain why not.

Substitute

for .Is it possible to divide by

? No solution.

Substitute

for .

See the help for part (b).

Substitute

for inandfor in,

then add the results together.

See the help for part (d).