A) y = 2x + 18, y =- 4x; b) 24
22 Determina be c in modo che le parabole di equa-
zioni y = x2 + bx e y = -x2 – 2x + c intersechi-
no la retta r di equazione y =-5 nel punto di
ascissa 1. Verifica che le due parabole sono tangen-
ti, determina l'equazione della tangente comunete
calcola l'area del triangolo formato da t, r e l'asse y.
(y = x2 - 6x, y = – x2 – 2x – 2; t: y = - 4x - 1; 2]
alle parabole di equazioni y = x2 - 4x + 4 e

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.