Answer:
x=3 x = -1
Step-by-step explanation:
f(x) = x^2 − 2x − 3
Set the function equal to zero
0 = x^2 − 2x − 3
Factor
What two numbers multiply to -3 and add to -2
-3 *1 = -3
-3+1 = -2
0 = (x-3)(x+1)
Using the zero product property
x-3 =0 x+1 =0
x=3 x = -1
Answer:
its B
Step-by-step explanation:
Answer:
what is this?
Step-by-step explanation:
Answer:
It will take 47.554 minute to melt the ice cube at 90°F
Step-by-step explanation:
We have given temperature in Fahrenheit is 85°F
From degree Celsius to Fahrenheit we know that
So
According to question time taken to melt ice is inversely proportional to temperature
So , here T is temperature and t is time
So
Answer:
C would be a rational number!