F(1)=4 f(n)=f(n-1)x(-0.5) f(n)=?

How do i do this activity, is appreciated

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

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj: