meschall7565 meschall7565
  • 01-03-2020
  • Mathematics
contestada

For the function: f(x) = 21 + 2x − 5x2
Find f(3)

Respuesta :

Spykids
Spykids Spykids
  • 01-03-2020
F(3)=-18

You just replace x for three for your equation and then use Ofer of operations to solve it.

So f(3)= 21+ 2(3)-5(3)^2

The exponent goes first: f(3)= 21+ 2(3)-5(9)

Next is multiplication: f(3)= 21+ 6-45

Now add: f(3)= 27-45

Finally subtract: f(3)= -18

Hope this helps!
Answer Link

Otras preguntas

An object is dropped from a​ tower, 167 ft above the ground. The​ object's height above ground t sec into the fall is s=167-16t^2 a. What is the​ object's ve
What is the purpose of the vas deferens
Expressions equivalent to 3/4x^3
how write 20 sentences about an unexpected visitor
why was the concern over global cooling replaced with a concern over global warming? a. the science community needed a cause to frighten the general population.
What are the degree and classification in (6x+4) (2x+11)
in order to assure that a policy speech acknowledges an issue, identifies a solution, and explains a plan of action, a writer should use an .
How many types of muscles are in the body?
which characteristics is common to renewable energy resources?
a person travels 84 miles in 4 hours. what is the rate at which the person travels in miles per hour?