crwarren2015 crwarren2015
  • 17-07-2022
  • Mathematics
contestada

Find the interval in which the function is positive. f(x) = x2 - 7x + 10 I. (-, 2) II. (2, 5) III. (5,)

Respuesta :

kjumipink9983
kjumipink9983 kjumipink9983
  • 17-07-2022

Step-by-step explanation:

f(x) = x2-7x+10

f(x) = -5x+10 = -5(x-2)

= 10-5x

Let, f(x) = 0

0 = 10-5x

5x = 10

x = 2

f(2) = 10 - 10 = 0

f(5) = 10-5(5) = 10-25 = -15

Let, f(y) = f(x)

= 10-5x

y = -0

So, the correct answer is I. (- , 2) ✔✔

Answer Link

Otras preguntas

Two balloons are at the same temperature and pressure. One contains 14 g of nitrogen and the other contains 20.0 g of argon. Pick the false statement from the
Scientist never say a theory is proven or not they only say if the evidence _____or _____ it
−5.010010001... number is rational or irrational or integer or real number?
A jump rope is shaken producing a wave with a wavelength of 0.5m with the crest of the wave passing a certain point 4 times per second. What is the velocity of
The Odyssey book 5 study questions help!! I don't know any of these! Please!
which fraction is bigger 2/15 or 3/20?
Why is it bad for pet anacondas to escape into the swamps of Florida?
A stone falls from the top of a 125m high cliff.How long does it take to reach the sea?I know that S[distance] is 125m, and that A[acceleration] is 10m/s². Cons
How do you solve this equation?  8x-y=16
Solve. 7/8p-1/4=1/2p