What is the recursive rule for the sequence? 1.2, 0.4, −0.4, −1.2, −2, …

an=an+1+0.8 , where ​ a1=1.2 ​

an=an−1+0.8 , where a1=1.2

an=an−1−0.8 , where ​ a1=1.2 ​

an=an+1−0.8 , where ​ a1=1.2

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4