Write an expression that can be used to produce vector b from vector a, and explain how you determined that expression.

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

For how answer my question this will be the last question can you answer in math subject

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68