Determine the two equations necessary to graph the ellipse with a graphing calculator.
+ 
= 1
A. y = 
and y =- 
B. x = 
and x = -
C. y = 
and y = - 
D. x = 
and x = - 
Answer: C
Mathematics
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Find the point(s) at which the given function equals its average value on the given interval.f(x) = ax + b; [1, 9]
A. 3
B. 6
C. 
D. 5
Mathematics
Solve.An investment is worth $2458 in 1994. By 1999 it has grown to $3843. Let y be the value of the investment in the year x, where x = 0 represents 1994. Write a linear equation that models the value of the investment in the year x.
A. y = 277x + 2458
B. y = -277x + 2458
C. y = 
x + 2458
D. y = -277x + 5228
Mathematics
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = -4x4 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.tan 165°
A. 
B. 
C. 2 - 
D. -2 + 
Mathematics