Find the indicated partial sum for the given sequence.s5, 1, -1, 1, -1, . . .
A. 0
B. -1
C. 1
D. 2
Answer: C
Mathematics
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If a firm that has a degree of operating leverage (DOL) greater than 1.0 experiences a 1.0 percent change in _____, its earnings before interest and taxes (EBIT) will change by _____1.0 percent.
A. earnings per share; greater than B. net income; greater than C. net operating income; less than D. sales; greater than E. fixed costs; less than
Mathematics
Give the interval where the function increases or decreases, as requested.f(x) = x2 + 3decreases
A. [0,3] B. [-3,0] C. (-?,0) D. [0,?)
Mathematics
Solve by the quadratic formula. If there are no real roots, say so.3x2 + 8x = -2
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics
Give the amplitude or period as requested.Amplitude of f(t) = -2 cos
A. -2 B. 14 C. 2 D. 9
Mathematics