Find the partial sum of the geometric sequence with the given first term and common ratio.s6, a1 = 5, r = 2
A. 35
B. 63
C. 315
D. 31,248
Answer: C
Mathematics
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Find the derivative.y = x14
A. 13x13 B. 14x14 C. 13x14 D. 14x13
Mathematics
Use the FOIL method to find the products.(-5x + 10)(-3x - 4)
A. -8x2 - 10x - 10 B. 15x2 - 10x - 10 C. 15x2 - 10x - 40 D. -8x2 - 10x - 40
Mathematics
Find the focus and directrix of the parabola.x = 8y2
A. F: 
; D: x = 
B. F: 
; D: x = - 
C. F: 
; D: x = - 
D. F: 
; D: y = - 
Mathematics
Use a calculator to find the function value to four decimal places.sin (490°)
A. 0.9848 B. 0.7660 C. -0.6428 D. 0.3420
Mathematics