What are the roots of f(x) = x2 - 48?
O-48 and 48
0-24 and 24
-8V3 and 85
O-43 and 45

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?