Pre-test
Active
TIME REMAINING
58:26
Shipping Rates
Weight of Package
(pounds)
Shipping Cost
(dollars)
8.00
12.50
5
18.50
10
30.50
Derek wants to ship items that weigh a total of 7 pounds, and Keisha wants to ship items that weigh a total of 10 pounds. How
much more does Keisha pay for shipping than Derek?
$4.50
$6.00
$9.50
$12.00

Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

Find the axis of symmerty for x y=x squared -4x-8