The number of people with one type of flue doubles every day for several days. what type of function represents this pattern? (apex)

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Write the component forms of vectors u and v, shown in the graph, and find v − 2u. u= (< -3, -2> , < -3, -1> , < -2, -2> , < -2, -1> ) v= (< -5, 1> , -4, 0> , < 0, -4> , < 1, -5> ) v-2u= (< 5, 3> , < 0, 4> , < 4, 0> , < 5, -3>

Factor 15x^3 - 5x^2 +6x-2 by grouping. what is the resulting expression