Ali graphs the function f(x) = -(x + 2)2 - 1 as shown.
Which best describes the error in the graph?
The axis of symmetry should be x = -1.
The axis of symmetry should be x = 2.
The vertex should be a maximum.
The vertex should be (-2, 1).

Carl wants to buy a television that cost $500 including taxes. to pay for television he will use a payment plan that requires him to make a down payment of $125 and then pay $70.50 each month for six months what is the percent increase from the original cast of the television to the cost of the television using a payment plan.

Find the value of the variable and the length of each secant segment

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?