8. Find the next three terms of the sequence. 80, –160, 320, –640, . . .

A. –1,280, 2,560, –5,120
B. 1,280, –2,560, 5120
C. –880, 1,040, –880
D. –640, 1,280, –2,560

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.