Write the number in scientific notation.Light with a wavelength of 0.00000045 meters is blue in color
A. 4.5 × 10-7
B. 4.5 × 10-8
C. 4.5 × 107
D. 4.5 × 10-6
Answer: A
Mathematics
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Evaluate the function.The graph of y = f(x) is shown below. Find f(-1)
A. 2 B. 6 C. -6 D. -2
Mathematics
Decide whether the relation defines a function.y2 = 4x
A. Function B. Not a function
Mathematics
A large conglomerate estimates that a new plant will yield an annual rate of return of 
thousand dollars. If the interest rate is 9%, what is the present value of the income generated in the first three years of the plant's operation?Enter just an integer (no units) representing the amount to the nearest dollar.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Determine if the given value is a solution to the equation.5(k + 2) - (4k + 2) = 5; k = 3
A. No B. Yes
Mathematics