Keisha's Solution David's Solution
sine+ cos2 = 1
tan? + 1 sece
sin
1
+ 1 =
cose
e
cos?o=1--23
COS
COS A+
225
289
8
17
+ 1 =
cos²a cose
15
COS =+
17
+ cos2 = 1
COS +
1-
64
289
15
cos et
17
Whose procedure is correct?

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax