Solve by substitution and check. x - 7y = -15 9x - 8y = -25
A. (-1, 2)
B. (-2, 3)
C. No solution
D. (1, 3)
Answer: A
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Identrify the critical points and find the maximum and minimum value on the given interval I.f(x) = x2 + 18x + 81; I = [-18, 0]
A. Critical points: -18, -9, 0; maximum value 81; minimum value 0 B. Critical points: -9; maximum value 18; minimum value 0 C. Critical points: -18, 0, 81; minimum value 0 D. Critical points: -18, 0, 9; maximum value 81; minimum value 0
Graph the rational function.y = 
A. 
B. 
C. 
D. 
Use a truth table to determine whether the symbolic form of the argument is valid or invalid.(p ? q) ? (q ? r)p ? r
A. Valid B. Invalid
Provide an appropriate response.Determine the slope and y-intercept of the line whose equation is given: y = -2x + 3
Fill in the blank(s) with the appropriate word(s).