Solve the problem.At one point the exchange equation for converting American dollars into Japanese yen was Y = 129(d - 4) where d is the number of American dollars, Y is the number of yen, and $4 is a one-time bank fee charged for currency conversions. Use this equation to solve the following problem.Ariel is traveling to Japan for 3 weeks and has been advised to have between 19,000 and 30,000 yen for spending money for each week he is there. Write an inequality that represents the number of American dollars he will need to bring to the bank to exchange money for this 3-week period.
A. $441.95 ? d ? $697.77
B. $445.86 ? d ? $701.67
C. $453.86 ? d ? $709.67
D. $441.89 ? d ? $697.71
Answer: B
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Add or subtract. Express the answer as a mixed number.19
+ 16
A. 34
B. 36
C. 19
D. 35
Perform the requested operation on the given function.f(x) = -4
, g(x) = -7
Find (f + g)(x)
A. -11
B. -11x - 11
C. -11
D. -11
Answer the following statement(s) true (T) or false (F)
The area of a closed figure always increases as its perimeter increases.
Use a graphing calculator to plot the data and find the quadratic function of best fit.The number of housing starts in one beachside community remained fairly level until 1992 and then began to increase. The following data shows the number of housing starts since 1992 (x = 1). Use a graphing calculator to plot a scatter diagram. What is the quadratic function of best fit?
A. H(x) = -2.679x2 + 26.607x + 168.571 B. H(x) = -2.679x2 + 26.607x - 168.571 C. H(x) = -2.679x2 - 26.607x + 168.571 D. H(x) = 2.679x2 + 26.607x + 168.571