To three decimal places, find the value of the first positive x-intercept for the function f(x) = -2cos(x + 1). (6 points) 0.571

1.571

-1.081

-2.571

PLEASE HELP URGENT I AM TAKING IT NOW

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30