Indicate whether the function is one-to-one.{(19, 13), (-3, -8), (-15, -12)}
A. Yes
B. No
Answer: A
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Use the circle graph to solve the problem.The circle graph below gives the inventory of the women's department of a store.
In which item of apparel does the store have the smallest investment?
A. Skirts B. Socks C. Lingerie D. Coats
Solve the equation.(7 - 0.8x)(5 - 0.5x) = 0
A. 8.75, 10 B. 7, 5 C. 0.8, 5 D. 8.75, 0.25
Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The sum of the squares of two numbers is 45. The sum of the two numbers is 9. Find the two numbers.
A. -6 and -3 B. 3 and 6 C. 3 and 6; -6 and -3 D. -6 and 3; -3 and 6
Perform the matrix operation.Let A = 
and B = 
. Find A + B.
A. Undefined
B. 
C. 
D. 