Identifying a function from its graph Fx ax

Identifying a function from its graph. F(x) = ax + b Common 5 (Sunday)

What about for quadratic functions?

Roots and the factored form of a function. Common 2 (Sunday) The polynomial f(x) = x^3 -15 x^2+44 x+60 has roots -1, 6, and 10. Complete the table. The sign of f(x) on each interval is chosen thus: If f(x) is always positive on the interval, then choose PLUS. If f(x) is always negative on the interval, then choose MINUS. If f(x) can be both positive and negative in the interval, then choose UNDEF. terval (-infinity, 6) (-1, 10) (10, infinity) (-1, 6) sign

Determining a function completely from a few of its values: Test 3 practice problems. Suppose f(x) is a quadratic function with a maximum value f(3) = 5 and a root at x = 1. Then f(4) = _______

A Mail order store charges a flat shipping charge of $11 for purchases of up to $80. For each additional $10 (including a fractional part of $10) the shipping charge increases by $2. However, the shipping charge becomes zero after a purchase of more than $180. The shipping charge for a purchase of $173 is _____ dollars. The largest possible shipping charge is______ dollars

A factory makes and sells things. If it makes 20 things, it can sell all of them for $10 apiece. For each reduction of $1 in the selling price, it can sell 10 more things. Find the maximum profit.