Simplify the expression by combining like terms.10x - 6 + 3x - x + 8
A. 14x + 2
B. 13x - 2
C. 12x + 2
D. 13x + 2
Answer: C
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The graph of a linear function f is shown. Write the equation that defines f. Write the equation in slope-intercept form.
A. y = -2x - 5 B. y = 2x + 5 C. y = 2x - 5 D. y = -2x + 5
Differentiate.y = e4 - 8x
A. e-8 B. 4e4 - 8x C. -8 ln (4 - 8x) D. -8e4 - 8x
Find all points where the function has any relative extrema or saddle points and identify the type of relative extremum.f(x,y) = x2 + 2y2 - xy2
A. Relative minimum at (0, 0) and saddle points at (2, 2) and (2, -2) B. Relative maximum at (0, 0) and saddle points at (2, 2) and (2, -2) C. Relative minimum at (0, 0) and relative maxima at (2, 2) and (2, -2) D. Saddle point at (0, 0) and relative minima at (2, 2) and (2, -2)
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 
. Find this earthquake's magnitude.
?
A. M = 3.8 B. M = 7.8 C. M = 6.5 D. M = 7.1 E. M = 8.7