What is 2logx+logy−2logz written as a single logarithm?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2