Find the equation of the line passing through the indicated two points. Write the equation in slope-intercept form.
and 
A. y = x -
B. y = x
C. y = x +
D. y = 5x + 9
Answer: C
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If y varies inversely as x, write a general formula to describe the variation.y = when x = 45
A. y =
B. y = x
C. y =
D. y =
List the critical values of the related function. Then solve the inequality. +
?
A. -4 - , -5, -4 +
, 1, 5; [-4 -
, -5) ? [-4 +
, 1) ? (5, ?)
B. No critical values; ?
C. -5 - , -4, -5 +
, 1, 4; [-5 -
, -4) ? [-5 +
, 1) ? (4, ?)
D. -5 - , -4, -5 +
, 1, 4; [-5 -
, -4) ? [-5 +
, 1) ? (4, ?)
Identify the given number as "Rational", "Irrational", or "Not a real number". If the number is rational, give its exact value. If the number is irrational, give a decimal approximation to the nearest thousandth.-
A. Not a real number B. Irrational, -24.495 C. Irrational, 24.495 D. Rational, 300
Let s= {1, 2, 3} be a sample space associated with an experiment.
How many subsets of S contain either the number 2 or the number 1? a. 5 b. 7 c. 4 d. 6 e. 3