According to the fundamental theorem of algebra, how many roots exist for the polynomial function? f(x) = (x3 - 3x + 1)2d

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Find the nonpermissible replacement for binthis expression.b2/5b +5

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)