Determine whether the relation is a function. Give the domain and range.{(7, 8), (-8, -3), (6, 0), (1, -3), (-8, 8)}
A. function; domain: {-3, 0, 8}; range: {-8, 1, 6, 7}
B. not a function; domain: {-8, 1, 6, 7}; range: {-3, 0, 8}
Answer: B
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Write a negation for the statement.Everyone is asleep.
A. Nobody is asleep. B. Not everyone is asleep. C. Nobody is awake. D. Everyone is awake.
Solve the problem involving direct translation.The product of 4 and the sum of a number and 5 is equal to the difference of twice the number and 9. Find the number.
A. 4x + 5 = 9 - 2x; x = 7
B. 4(x + 5) = 2x - 9; x = - 
C. 4(x + 5) = 9 - 2x; x = - 
D. 4x + 5 = 2x - 9; x = - 7
Find the amount or rate of discount and the sale price after the discount. Round money answers to the nearest cent if necessary.Original price: $46 Amount of discount: $6.90
A. 15%, $39.10 B. 17%, $39.10 C. 1.5%, $39.10 D. 16%, $39.10
Solve the SSA triangle. Indicate whether the given measurements result in no triangle, one triangle, or two triangles. Solve the resulting triangle. Round angle measures to the nearest degree and lengths to the nearest tenth when necessary.B = 41°, a = 4, b = 3
A. Solution 1: A = 61°, C = 78°, c = 0.1 Solution 2: A = 119°, C = 20°, c = 0.1 B. A = 29°, C = 110°, c = 5.7 C. No triangle exists. D. Solution 1: A = 61°, C = 78°, c = 4.5 Solution 2: A = 119°, C = 20°, c = 1.6