Write the expression in the standard form a + bi.2i15 - i7
A. i
B. -1
C. 1
D. -i
Answer: D
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Use a calculator to find the function value to four decimal places.sin 30°15'
A. 0.5832 B. 0.8638 C. 0.5038 D. 0.9880
Find the y-intercepts and any x-intercepts.y = x2 + 10x
A. y-intercept (0, 0), x-intercept (-10, 0) B. y-intercept (0, 0), x-intercepts (0, 0) and (-10, 0) C. y-intercept (0, 0), x-intercepts (0, 0) and (0, -10) D. y-intercept (0, 0), x-intercepts (0, 0) and (10, 0)
Solve the inequality. Write the solution in interval notation and graph the solution set. ? 4 +
A. (-?, 15]
B. [-15, ?)
C. (15, ?)
D. [15, ?)
Without graphing the function, state the shift(s) that are applied to the graph of to graph the given function. If the graph of
must be rotated about the x-axis, state this.f(x) = (x + 6)2 + 10
A. left 6 units, down 10 units B. right 6 units, up 10 units C. right 6 units, down 10 units D. left 6 units, up 10 units