merioemiro merioemiro

24-05-2021
Mathematics

contestada

What is the value of this function evaluated at f(-3)?
f(x) = 2x2+ 5x - 9

Respuesta :

24-05-2021

Answer:

-6

Step-by-step explanation:

f(x) = 2x² +5x -9

f(-3) means f(x=-3) so substitute x with -3 in the equation

f(-3) = 2*(-3)³ +5(-3) -9 = 2*9 -15 -9 = 18 -24 = -6

Answer Link

willowandthetree willowandthetree

24-05-2021

Answer:

The answer is either x=1 or f(0)=-5

Step-by-step explanation:

im not sure but I hope this helps

Answer Link

Otras preguntas

The bibliography below was included in a history report. Burchard, Peter. One Gallant Rush. Toronto: Macmillan Co. of Canada, 1965. Douglass, Frederick. Life an

the earth has more rotational kinetic energy now than did the cloud of gas and dust from which it formed. where did this energy come from>

Drag and drop the characteristics to the correct European nation. Characteristics may be used more than once.

f(2/9) if f(x)=3x+1/3 x=2/9

Which ionic compound is used as a building material? salt limestone magnesium oxide iron oxide

What provides the set of guiding principles for managing wildlife resources?

If a rope loaded with a force of 100 lbf had a spring constant of 500 lbf/inch, how far would the rope stretch or elongate?

Burt is thinking about a career in publishing but does not like writing. What should Burt probably do? O A Plan for a career as a journalist O B. Choose a caree

56 Explain, in terms of atomic structure, why the elements in Group 2 have similar chemical properties. 131

Determine whether the distribution is a discrete probability distribution. x âP(x) 0 0.21 1 0.28 2 0.02 3 0.28 4 0.21 Is the distribution a discrete probability