Use a grapher to find the vertex or x-intercepts, as indicated, of the quadratic function.Find the vertex of the function f(x) = 0.4x2 + 2.8x + 5.8.
A. (3.5, 0.9)
B. (-3.5, 0.9)
C. (-1.4, 3.84)
D. (3.5, 3.84)
Answer: B
Mathematics
You might also like to view...
Convert 36°6' to decimal degrees
What will be an ideal response?
Mathematics
Solve the inequality using the x-intercept method or the intersection-of-graphs method. Express the solution set in interval notation.8y - 5 ? 7y - 13
A. (8, ?) B. (-?, 8) C. (-?, -8] D. [-8, ?)
Mathematics
Find the product.4(-6)(-10)(5)(2)
A. -2400 B. 2400 C. -100 D. 2250
Mathematics
Solve the formula for the specified variable.F = 
C + 32 for C
A. C = 
(F - 32)
B. C = 
C. C = 
D. C = 
(F - 32)
Mathematics