Determine which of the rational functions given below has the following feature(s).The y-intercept is (0, 4)
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Answer: C
Mathematics
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Find the product.(5r + 4t)4
A. 625r4 + 2000r3t + 2400r2t2 + 2000rt3 + 256t4 B. 625r4 + 2000r3t + 2400r2t2 + 1280rt3 + 256t4 C. 625r4 + 625r3t + 2400r2t2 + 2400rt3 + 256t4 D. 625r4 + 5r3t + 2000r2t2 + 2000rt3 + 256t4
Mathematics
Simplify. Write your answer in the form a + bi, where a and b are real numbers.(15 + 6i) - (6 + 2i)
A. -9 + 4i B. -9 - 4i C. 9 + 4i D. 9 - 4i
Mathematics
Find all solutions of the equation in the complex number system.(x + 7)(x - 4i)(x + 4i) = 0
A. {-7i, 4i, -4i} B. {-7} C. {-7, 4, -4} D. {-7, 4i, -4i}
Mathematics
Multiply.-4(2)
A. -2 B. -8 C. - 2 D. 8
Mathematics