1. Identify the author and source (publisher) of the pro facial recognition article (using link provided above). Do you think this author/source is credible? Why or why not? (Hint: Review the author’s background, authority, etc.)\What is one reason (premise) the author gives for supporting his conclusion that facial recognition software is beneficial and necessary? What evidence, statistics and/or outside sources does he provide to support this reason? 2. Identify the author and source (publisher) of the con facial recognition article (using link provided above). Do you think this author/source is credible? Why or why not? 3. What is one reason (premise) the author gives for supporting his conclusion that facial recognition software can be detrimental and needs to be put on hold for now? What evidence, statistics and/or outside sources does he provide to support this reason? 4. Which of these articles do you feel met all the criteria of a strong argument (clear, relevant, credible, c

Answer:     the interval on which the curve is concave up is  (-∞, -1/2)======    we find the interval where this curve is concave up by finding the interval in which the 2nd derivative is positive.differentiate the curve equation with respect to x    let the function f denote be the anti-derivative of the inside expression, i.e. a function such that .then use the fundamental theorem of calculus:     differentiate again to get second derivative. we can use chain rule with 1/x as the outside function and 1 + x + x² as the inside function    find critical numbers of the second derivative. these numbers are where the 2nd deriv. is undefined or zero.where the 2nd derivative is zero: set (d²y/dx²) to equal 0 and solve for x    where the 2nd derivative is undefined: if the denominator is equal to zero, the derivative will be undefeined. attempting to solve the equation    1 + x + x² = 0results in a discriminant of      meaning that the equal 1 + x + x² = 0 has no real solutions and therefore will never equal zero.======our only critical number is x = -1/2.this forms two intervals to test the sign for: (-∞, -1/2) and (-1/2, ∞)test values into the 2nd derivative for (-∞, -1/2)if we try x = -1, we get      so the since the 2nd derivative of the curve is positive on the interval  (-∞, -1/2), the curve is concave up on (-∞, -1/2)test values into the 2nd derivative for (-1/2, ∞)if we try x = 0, we get      so the since the 2nd derivative of the curve is positive on the interval  (-∞, -1/2), the  curve is concave down on (-∞, -1/2).the interval on which the curve is concave up is  (-∞, -1/2)

Ithink its a im not sure 

(the column on the right side has numbers 1-4 as well)

from left column to the right marching definition column:
1=2
2=4
3=1
4=3

answer:

hi

explanation: