Which is the quadratic variation equation for the relationship? y varies directly with x2 and y = 36 when x = 3. y = 4x2 y = 12x2 y = x2 y = x2

Find the indicated value, where g(t) = t^2-t and f(x)= 1+x a. -2 b. 0 c. 2 d. 8

Suppose a man is heterozygous for heterochromia, an autosomal dominant disorder which causes two different‑colored eyes in an individual, produced 25‑offspring with his normal‑eyed wife. of their children, 15 were heterochromatic and 10 were‑normal. calculate the chi‑square value for this observation.

Evaluate cos2θ for cosθ = square root of 3/2