Determine whether the graph representing the equation is symmetric with respect to the x-axis, the y-axis, the origin or none.4x2 + 4y2 - 6 = 1
A. y-axis only
B. origin only
C. x-axis only
D. x-axis, y-axis, origin
Answer: D
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Find the average value of the function over the given interval.f(x) = 2x + 12 on [-6, 6]
A. 144 B. 12 C. 24 D. 6
Solve the problem.A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 470 seconds and a standard deviation of 50 seconds. Find the probability that a randomly selected boy in secondary school can run the mile in less than 355 seconds.
A. 0.0107 B. 0.5107 C. 0.4893 D. 0.9893
Solve using any appropriate method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.5x + 5y = 69x + 9y = 18
A. (18, 9) B. {(x, y)|5x + 5y = 6} C. (1, 1) D. No solution
Find the slope-intercept form of the equation of the line with the given properties.x-intercept = 2; y-intercept = 9
A. y = - 
x + 9
B. y = - 
x + 2
C. y = - 
x + 2
D. y = 
x + 9