Question

f(x)= 3x^2-x+q-3 find the range of q if f(x) always positive​

Answer 1

Answer:

Step-by-step explanation:

we can see it is a quadratic equation discriminant should be less than zero

$3x^{2} -x+q-3$

b*b -4ac<0

where b=-1

a=3

c=q-3

q>3+0.083

q>3.083,where f(x) is positive