Consider the quadratic function
f(x)=x^2-8x-9

Vertex:(-b/2a, f(-b/2a))

What is the vertex of the function (__,__)

Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.

Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00

Evaluate the expression. (9 + 5)(3 + 2)0