Given the functions f(x) = x2 + 6x - 1 and h(x) = 2x2 - 4x + 3. What is the vertex for each? a
(-3, -10) and (1, 9)

b
(-3, -28) and (-1, 5)

c
(-3, -10) and (1, 1)

d
(3, -20) and (-1, 9)

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?