1. write an expression equivalent to the following: a. 4x + 20 b. x + 10

What is the range of this function? all real numbers such that y ≤ 40 all real numbers such that y ≥ 0 all real numbers such that 0 ≤ y ≤ 40 all real numbers such that 37.75 ≤ y ≤ 40

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

Is there an x intercept in the equation 60*1.15^x