What is the vertex of the function
y= -3/2x^2-x+8 ?

a. (-1/3,8)
/3,49/3)
c.(1/3,8)
d.(1/3,49/6)

someone me and explain to me how you got that answer
i'm desperate

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

Is it greater than or less than7*3_9*2

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2