Simplify: (c+4/c^2+5x+6)/(3c^2+12c/2c^2+5c-3)

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt