y?? + 81y = 3x ? 9, y (0) = 9, y?(0) = 2
Solve the initial-value problem.
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Solve the problem.What is 10% of 600?
A. 6 B. 60 C. 0.6 D. 600
Find all real solutions. Do not use a calculator.0 = x3 + 6x2 - 2x - 12
A. {-6, ±
}
B. {-
, -2}
C. {-
, -
}
D. {-6, ±2}
Solve the problem.A football team gained 34 yards on one play, lost 38 yards on another, and gained 37 yards on the last play of the first half. They had already gained 372 yards during the half. What was the total yardage gain for the first half?
A. 443 yards B. 405 yards C. 481 yards D. 339 yards
Graph the parabola and give its vertex, axis, x-intercepts, and y-intercepts.f(x) = x2 + 2x + 1
A. vertex (-1, 1); axis is x = -1;
no x-intercepts; y-intercept is 2
B. vertex (-1, 0); axis is x = -1;
x-intercept is -1; y-intercept is 1
C. vertex (1, 0); axis is x = 1;
x-intercept is 1; y-intercept is 1
D. vertex (1, 1); axis is x = 1;
no x-intercepts; y-intercept is 2