Decide whether or not the ordered pair is a solution of the equation.(-4, 5), -2x - 13y = -57
A. Yes
B. No
Answer: A
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Solve the problem.The value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential growth model A = 1500e0.067t. By what percentage is the account increasing each year?
A. 6.9% B. 7.4% C. 7.1% D. 7.3%
Write the number in scientific notation.43,012
A. 4.3012 × 104 B. 4.3012 × 101 C. 4.3012 × 105 D. 4.3012 × 10-4
Complete the square to find the x-intercepts of the function given by the equation listed.f(x) = x2 + 4x - 1
A. (-2 - 
, 0), (-2 + 
, 0)
B. (2 - 
, 0), (2 + 
, 0)
C. (
- 2, 0), (
+ 2, 0)
D. (3, 0)
A business man evaluated a proposed venture. He estimated that: The probability of making a profit of $9,000 is 0.2; the probability of making a profit of $5,000 is 0.4; the probability of breaking even is 0.3; and the probability of losing $4,000 is 0.1. Find the expected profit.
What will be an ideal response?