Determine the solution set of 2x>−8 and −5x+7=12.(1 point)
Responses
{−1}
left brace negative 1 right brace
{x|x>−1}
left brace x vertical bar x greater than negative 1 right brace
{−4}
left brace negative 4 right brace
{x|x>−4}
The solution set of 2x > -8 and -5x + 7 = 12 is {x|x > -4}.
Determine the solution set of −3x+7=10 or 3x−9=0.(1 point)
Responses
{3}
left brace 3 right brace
{−1,3}
left brace negative 1 comma 3 right brace
{−1}
left brace negative 1 right brace
The solution set is null.
The solution set is null.
The solution set of -3x + 7 = 10 or 3x - 9 = 0 is {3}.
What solution set does the number line graph?
(1 point)
Responses
x<−3 and x>3
x less than negative 3 and x greater than 3
x≤−3 or x≥−3
x less-than-or-equal-to negative 3 or x greater-than-or-equal-to negative 3
x≤−3 and x≥−3
x less-than-or-equal-to negative 3 and x greater-than-or-equal-to negative 3
x<−3 or x>3
The number line graph corresponds to x<−3 or x>3.
Select the solution set represented on the graph.
(1 point)
Responses
x≥−8 and x≤−2
x greater-than-or-equal-to negative 8 and x less-than-or-equal-to negative 2
x>−8 and x<−2
x greater than negative 8 and x less than negative 2
x≥−8 or x≤−2
x greater-than-or-equal-to negative 8 or x less-than-or-equal-to negative 2
x>−8 or x<−2
x greater than negative 8 or x less than negative 2
The solution set represented on the graph is x≥−8 or x≤−2.
Select the solution set represented on the graph.
(1 point)
Responses
m>10 or m<9
m greater than 10 or m less than 9
m≥10 or m≤9
m greater-than-or-equal-to 10 or m less-than-or-equal-to 9
m>10 and m<9
m greater than 10 and m less than 9
m≥10 and m≤9
m greater-than-or-equal-to 10 and m less-than-or-equal-to 9
The solution set represented on the graph is m>10 or m<9.
What does Al Gore, author of An Inconvenient Truth, demonstrate about the level of atmospheric carbon dioxide levels?
(1 point)
Responses
Each year, the CO2 level rises and then falls. Over the past 50 years, it has steadily increased.
Each year, the CO 2 level rises and then falls. Over the past 50 years, it has steadily increased.
Each year, the CO2 level increases at a faster rate. Over the past 50 years, it has nearly doubled.
Each year, the CO 2 level increases at a faster rate. Over the past 50 years, it has nearly doubled.
Each year, the CO2 level decreases. Over the past 50 years, it has steadily decreased.