Which function represents g(x), a reflection of f(x) = 1/2 (3)^x across the y-axis?
O g(x) = 2(3)^x
O g(x) = -1/2 (3)^x
O g(x) = 1/2(3)^x
O g(x) = 2(3)^-x

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.