Answer: B. Two and four tenths multiplied by the difference of six and two tenths and a number is more than three negative four and five tenths
Explanation: I’m not sure. I will edit this if I get it wrong (I am currently taking the test that has this question).
Edit: B. is the correct answer. I got a hundred on my test.
Hope this helped! :)
Answer:
C, x^3+x^2−7x−15
Step-by-step explanation:
=(x+−3)(x^2+4x+5)
=(x)(x^2)+(x)(4x)+(x)(5)+(−3)(x^2)+(−3)(4x)+(−3)(5)
=x^3+4x^2+5x−3x^2−12x−15
=x^3+x^2−7x−15
Just use derivatives:
f'(x)= .48x-.96 = 0, x = 2, since the coeff of x^2 is +, this is a minimum
x=0 1989, so x = 2 is 1991! :)
Answer:
−31.5
Step-by-step explanation: