Determine which functions have two real number zeros by calculating the discriminant, b2 – 4ac. Check all that apply. O fx) = x² + 6x + 8 O g(x) = x² + 4x + 8 O h(x) = x2 – 12x + 32 O k(x) = x2 + 4x – 1 O p(x) = 5x2 + 5x + 4 O t(x) = x2 – 2x – 15 -

Q: If h(x) = 8x – 3, find 3[h(x)]² – 7 -

A: We know that- (a+b)2=a2+b2+2ab

Q: Perform the following operations: 2. (2x4 - 5a3 + 3x2 – 5)/(x+ 2) 3. (4x - 2r3+ x² - 5x + 8)/(x² –…

A:

Q: = x? – 5x + 7 has roots a and B. Use symmetric Suppose that f(x) functions to find a + B, aß, a² +…

A: If we have a quadratic equation ax2+bx+c=0 and α and β are the roots then: α+β=-ba αβ=ca We can use…

Q: Evaluate 9x 9 (2x - 3)(x + 3) T -dx +C

A: