Determine whether the equation is a function.y2 = 5 - x2
A. function
B. not a function
Answer: B
Mathematics
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Refer to a triangle ABC.If A = 34°, B = (x + 61)°, and C = (x + 51)°, find B and C.
A. B = 39°, C = 73° B. B = 39°, C = 78° C. B = 68°, C = 129° D. B = 78°, C = 68°
Mathematics
Solve the problem.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is given by 
where s is in feet. How long will it take the ball to fall 
Round to the nearest tenth, if necessary.
A. 3.6 sec B. 1.9 sec C. 2.7 sec D. 1.7 sec
Mathematics
Solve.x2 - 5x + 4 > 0
A. (-?, 1) B. (4, ?) C. (-?, 1) ? (4, ?) D. (1, 4)
Mathematics
Give the x-intercepts and y-intercepts of the graph.
A. y-intercept: 1 B. y-intercept: -1 C. x-intercept: 1 D. x-intercept: -1
Mathematics