Use factoring techniques to solve the equation.x2 + 4x = 45
A. {-9, 1}
B. {-5, 9}
C. {5, 9}
D. {-9, 5}
Answer: D
Mathematics
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Perform the requested operation on the given function.f(x) = 5x - 8, g(x) = 2x - 6Find (fg)(x).
A. 7x2 - 46x - 14 B. 10x2 + 48 C. 10x2 - 46x + 48 D. 10x2 - 22x + 48
Mathematics
Referring to triangle ABC, find the area of the triangle. ? a = 4.9 yd, b = 6.5 yd, c = 7.8 yd ? Round to three significant digits. ? S = __________ yd2
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the real solutions of the equation.
- 
= 3
A. {2} B. {2, 38} C. {3, 8} D. {-2}
Mathematics
Round the number as requested.98.8358 (nearest hundredth)
A. 98.94 B. 98.95 C. 98.74 D. 98.84
Mathematics