40 points someone me with these 3 math questions got a deadline to meet
give right an...
Mathematics, 19.11.2019 19:31 dootdootkazoot
40 points someone me with these 3 math questions got a deadline to meet
give right answers no false
5. evaluate the function f(x) = 4 ∙ 7^x for x = -1 and x = 2. show your work
17. find the roots of the quadratic equation x^2 - 8x = 9 by completing the square. show your work
18. use the discriminant to find the number of real solutions of the equation 3x^2 - 5x + 4 = 0 show your work.
a water balloon is tossed into the air with an upward velocity of 25ft/s. its height h(t) in ft after t seconds is given by the function h(t) = - 16t^2 + 25t + 3. show your work
19. after how many seconds will the balloon hit the ground? (hint: use the quadratic formula)
20 what will the height be at t = 1 second
Answers: 3
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Twelve friends shared 8 small pizzas equally.how many pizzas did each person get?
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Mathematics, 21.06.2019 21:40
The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =
Answers: 2
Mathematics, 21.06.2019 23:40
Identify the parent function that can be used to graph the function f(x)=3(x-9)2
Answers: 1
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