Answer parts a and b below. a) What is the vertex of the function y = 4x2 + 8x + 9?
b) What is the vertex of the quadratic function given in the table?
-5
-4
- 2
-3
-5
-1
3
у
3
-3
- 3
a) What is the vertex of the function y = 4x2 + 8x + 9?
The vertex is
(Type an ordered pair.)

Your company withheld $4,463 from your paycheck for taxes. you received a $713 tax refund. select the best answer round to the nearest 100 to estimate how much you paid in taxes.

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1

What is the value for this expression? 2e-5